Evan Gough

The Dark Energy Camera's New Image is Reminiscent of van Gogh

July 17, 2026

The Dark Energy Camera (DECam) has a massive 570 megapixel camera, and its new image is of the Corona Australis Molecular Cloud. Corona Australis is one of the closest star-forming regions to Earth. It's not as well-studied as the Orion Molecular Cloud or Ophiuchus, but as DECam's new iage of Corona Australis shows, it's just as fascinating.

The Roman Space Telescope Will Find Ancient Black Holes By Watching How They Eat Stars

July 17, 2026

When supermassive black holes (SMBH) in a certain mass range eat a star, they first tear it apart in a Tidal Disruption Event (TDE). By detecting TDE across cosmic time, astronomers can chart the growth of SMBH as the Universe aged. The Nancy Grace Roman Space Telescope will help, by finding about 100 TDEs every year.

This Exoplanet Hid for 10 Years Before Astronomers Finally Found It

July 16, 2026

A team of astronomers have discovered a third planet orbiting the star Beta Pictoris. The new planet, Beta Pictoris d, is 100 times fainter than Beta Pictoris b — the first planet discovered in the same system — and is among the lightest exoplanets ever to be imaged from the ground. After spotting the planet using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), the team found it had been hiding in archive observations spanning more than a decade.

Spiral Arms and Bars are Galactic Fuel Pumps for Star Formation

July 15, 2026

Astronomers thought that early galaxies were messy, clumpy, and turbulent from mergers. That means their gas was all stirred up. So what could explain the rapid star formation during the Cosmic Noon? New research shows that galaxies had well-ordered morphologies earlier than thought, and that their spiral arms and bars allowed gas to flow freely, forming more stars.

Artificial Intelligence is Easily Fooled in the Search for Life

July 14, 2026

AI is a powerful tool in scientific research. It can be used to find patterns in vast quantities of data. But it also generates false positives, as most of us know. This is an "Achilles Heel" according to researchers who tested a neural network's ability to detect life.

Astronomers Find New Features Hiding in the Orion Nebula

July 14, 2026

A team of researchers used the world's largest single-dish telescope and an interferometer to uncover previously hidden structures within the Orion Nebula. The project produced the sharpest maps ever made of neutral hydrogen in Orion, the closest region of massive star formation. The findings expose the complex relationship of star-forming regions with their environment and suggest that the Orion Nebula has been shaped by multiple episodes of stellar feedback rather than a single expanding bubble.

Only Binary Stars Can Create Interacting Supernovae

July 10, 2026

When a massive star reaches the end of its life, it explodes as a supernova that can light up the sky for months. But some supernovae stay luminous for much longer, and astrophysicists have wondered what causes their extended brightness. New research points to binary stars, where one star expels material right before the explosion that creates a cocoon of circumstellar medium.

To Ancient Astronomers, Theta Eridani Was Brighter For A Thousand Years. Now We Know Why

July 09, 2026

Ptolemy and al-Sufi were keen ancient astronomers, one in Greece and one in Persia, whose observations were separated by almost a thousand years. They both noted that the star Theta Eridani was far brighter than it is today. Now we know why.

Detecting Atomic Weapons in Space

July 08, 2026

The Outer Space Treaty from 1967 prohibits weapons in space. But a satellite launched by Russia has generated suspicion. Despite claims that it's a normal satellite, some things about it suggest otherwise. New research proposes a way to detect atomic weapons in space, helping enforce the treaty.

The JWST and the Mystery of Massive Quenched Galaxies in the Early Universe

July 08, 2026

With its ability to observe the red-shifted light from early galaxies, the JWST has revealed some surprises. Many massive galaxies in the early Universe had ceased star formation and were already quenched hundreds of millions of years sooner than thought. By examining their morphology, new research shows that mergers that were previously hidden from view are responsible.

Another Success for Hayabusa 2 as it Completes a Flyby of Asteroid Torifune

July 07, 2026

JAXA's Hayabusa 2 has completed its flyby of asteroid Torifune. The spacecraft came within about 800 meters of the asteroid's surface. Though the spacecraft is travelling very rapidly, making navigation challenging, it was still able to capture clear images of the asteroid's boulder-strewn surface. Based on ground-based observations, scientists suspected that Torifune was a contact binary asteroid, and these images confirm it.

The Euclid Space Telescope Has Found 31 New Ancient Quasars, Including the Most Ancient One Ever Found

July 07, 2026

Euclid is only 1.5 years into its Euclid Wide Survey and has found 31 new quasars from the Universe's first 800 million years. Though the Survey isn't specifically aimed at finding ancient quasars, it's proving to be remarkably effective at it. This large sample of quasars will help with the study of ancient galaxies and supermassive black holes.

Galaxy Mergers Aren't Always Obvious

July 07, 2026

Mergers are a part of a galaxy's life in this Universe. Though clear signs of these mergers fade over hundreds of millions of years, evidence is still present, yet obscured, in the galaxies that experience them. The powerful JWST has made it possible to find this evidence, and it did so recently for Centaurus A.

Andromeda's Newest Dwarf Galaxy is Extremely Dim

July 06, 2026

Astronomers have discovered an extremely low-mass and dim dwarf galaxy around Andromeda. Called And 35, it's an Ultra-Faint Dwarf Galaxy (UFDG) and so far, the researchers have detected only 46 of its stars. Lambda-CDM predicts that there should be many UFDGs around galaxies like Andromeda and the Milky Way, so finding more of them is important.

This Giant Planet Survived the Death of its Star

July 02, 2026

Some planets can survive when their main sequence stars "die" and evolve into red giants. Astronomers have found several of them. One of them in particular is orbiting extremely close to its star, providing an opportunity to study it with the JWST to determine how it got there.

An Extended Barrage of Asteroid Impacts Made Earth Too Hot to Form Continents

July 02, 2026

New research shows that repeated impacts on Earth during the Hadean eon prevented thick and stable crustal material from forming. The heat from these impacts penetrated deep into the planet, and along with radiogenic heating, delayed the formation of a solid crust.

It's Finally Begun! The Vera Rubin Observatory Creating What Will Be the Greatest Movie Ever Made

June 30, 2026

The Vera Rubin Observatory's long-awaited Legacy Survey of Space and Time has begun. This decade-long movie of the cosmos will capture anything that changes brightness, position, or both in the southern night sky. It will study grand subjects like dark energy and dark matter, and important things closer to home like near-Earth objects.

Echoing Light Shows That Dark Matter May Gather Around Supermassive Black Holes

June 30, 2026

The way that dark matter is distributed may need a rethink. New research shows that dark matter could gather near supermassive black holes. The evidence is based on a new detection method, and is only moderately convincing so far. But if true, it also turns SMBH into 'dark matter labs' and could change how we understand SMBH growth.

An Alternative to Black Holes: Gravastars with Big Bangs Inside

June 29, 2026

Stellar mass black holes may not be black holes at all. Instead, they could be a type of extremely compact star called a gravastar, which mimics a black hole. This is according to theoretical phsyicists who have discovered a solution to Einstein's Theory of General Relativity that doesn't automatically result in a black hole when a star collapses at the end of its life.

Mars May Have Vast Magma Systems Beneath Its Surface

June 29, 2026

Researchers from the University of Oxford have uncovered evidence that Mars once hosted widespread, Earth-like magmatic systems deep beneath its surface – despite the planet lacking the plate tectonics long thought necessary for this kind of geological complexity. The findings, published June 26th in Nature Astronomy, reveal fascinating new possibilities for how rocky planets become habitable.

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