Universe Today (Page 83)

Are Black Holes the Source of Dark Energy?

By Matthew Williams - February 17, 2023 05:43 PM UTC | Black Holes

In a series of papers, an international team claims they've found the first observational evidence that supermassive black holes are responsible for cosmic expansion!

Galaxies Aren't Just Stars. They're Intricate Networks of Gas and Dust

By Evan Gough - February 17, 2023 05:31 PM UTC | Extragalactic

This is Your Brain on Spaceflight

By Carolyn Collins Petersen - February 17, 2023 03:32 PM UTC | Space Exploration

When Neutron Stars Collide, the Explosion is Perfectly Spherical

By Brian Koberlein - February 17, 2023 02:08 PM UTC | Stars

Kilonova explosions are almost perfectly spherical, which could help us study cosmic expansion.

What Would Happen if the Solar System Gained a Super-Earth?

By Evan Gough - February 16, 2023 04:50 PM UTC | Planetary Science

The Mass of a Single Star (other than the Sun) has Been Directly Measured for the First Time

By Andy Tomaswick - February 16, 2023 04:08 PM UTC | Stars

Webb Sees Three Galaxy Clusters Coming Together to Form a Megacluster

By Matthew Williams - February 16, 2023 03:47 PM UTC | Extragalactic

The latest JWST deep-field image provides a breathtaking view of Pandora's Cluster, which was previously imaged by Hubble.

Another Russian Spacecraft is Leaking Coolant

By Matthew Williams - February 15, 2023 10:47 PM UTC | Space Exploration

A Russian spacecraft docked with the ISS has reportedly suffered a coolant link for the second time in just a few months.

The Event Horizon Telescope Gazes into the Heart of a Distant Quasar

By Carolyn Collins Petersen - February 15, 2023 07:37 PM UTC | Black Holes

Ingenuity is Doing Surprisingly Well

By Matthew Williams - February 15, 2023 05:04 PM UTC | Planetary Science

After months of extreme cold, NASA's Ingenuity helicopter appears to be back in working order.

A Galaxy has Been Found that's Almost Entirely Dark Matter

By Evan Gough - February 15, 2023 03:42 PM UTC | Extragalactic

Perseverance is Building Up a Big Collection of Mars Samples

By Evan Gough - February 15, 2023 01:22 PM UTC | Planetary Science

Magnetars are Extreme in Every Way, Even Their Volcanoes

By Laurence Tognetti, MSc - February 15, 2023 10:46 AM UTC | Stars

Why are Jupiter's Trojan Regions so Unevenly Balanced With Asteroids?

By Andy Tomaswick - February 14, 2023 05:44 PM UTC | Planetary Science

Another Meteoroid Discovered Right Before it Hits the Atmosphere

By Nancy Atkinson - February 14, 2023 04:16 PM UTC | Planetary Science

Astronomers Spot a Rogue Supermassive Black Hole, Hurtling Through Space Leaving Star Formation in its Wake

By Evan Gough - February 14, 2023 03:00 PM UTC | Black Holes

An Extremely Lightweight Fission Rocket Could Reach the Solar Gravitational Lens in 15 Years

By Andy Tomaswick - February 14, 2023 09:44 AM UTC | Space Exploration

If an Earthlike Planet is Within 30 Light-Years, This Space Telescope Will Find it

By Andy Tomaswick - February 14, 2023 08:38 AM UTC | Exoplanets

Scientists are Simulating Europa in the Lab, Learning What They Can Before Clipper Arrives in 2030

By Carolyn Collins Petersen - February 13, 2023 11:41 PM UTC | Planetary Science

Axiom's U.S.-Saudi Crew Approved for Private Mission to Space Station

By Alan Boyle - February 13, 2023 07:34 PM UTC | Missions

Are We Entering the Era of Quantum Telescopes?

By Matthew Williams - February 13, 2023 07:12 PM UTC | Telescopes

In a recent study, a team of researchers showed how combining interferometry with quantum principles could lead to quantum telescopes.

Globular Star Clusters are Constantly Kicking Stars out of the Galaxy

By Evan Gough - February 13, 2023 05:50 PM UTC | Milky Way

Do Advanced Civilizations use Black Holes as Giant Quantum Computers?

By Matthew Williams - February 13, 2023 03:52 PM UTC | Astrobiology

A new study suggests that advanced civilizations could used black holes as massive quantum computers, a theory that has implications for SETI.

The Sun Continues its Journey to Solar Maximum, Releasing X-Class Flares

By Nancy Atkinson - February 13, 2023 02:00 PM UTC | Solar Astronomy

Astronomers Uncover Mass Migration of Stars into Andromeda

By Evan Gough - February 13, 2023 12:29 PM UTC | Extragalactic

AI's Costly JWST Mistake, 33-Engine Super Heavy Test, Problems in Orbit

By kuingul-gmail - February 12, 2023 08:13 PM UTC | Missions

It's Time for Mysterious Spokes to Appear in Saturn's Rings

By sjohnston - February 12, 2023 09:59 AM UTC | Planetary Science

Dust From the Moon Could Help the Shade the Earth and Slow Down Climate Change

By Matthew Williams - February 11, 2023 08:42 PM UTC | Planetary Science

A new study considers how lunar dust launched from the surface of the Moon could help reverse Climate Change.

A Green Bank Telescope Prototype Radar System Can Image the Moon in High-Resolution and Detect Asteroids

By Laurence Tognetti, MSc - February 11, 2023 05:11 PM UTC | Telescopes

Humans Can Still Find Galaxies That Machine Learning Algorithms Miss

By Matthew Williams - February 11, 2023 03:28 PM UTC | Extragalactic

Amateur astronomer Giuseppe Donatiello discovered three faint galaxies that machine learning missed.

New Spacecraft Can See Into the Permanently Shadowed Craters on the Moon

By Nancy Atkinson - February 11, 2023 12:51 PM UTC | Space Exploration

Machine Learning is a Powerful Tool When Searching for Exoplanets

By Matthew Williams - February 10, 2023 06:53 PM UTC | Exoplanets

A new machine learning technique will help astronomers detect young exoplanets in disks surrounding other stars.

Images From Three Telescopes Merged Into One Spectacular Picture of the Sun

By Nancy Atkinson - February 10, 2023 03:21 PM UTC | Solar Astronomy

More Data and Machine Learning has Kicked SETI Into High Gear

By Matthew Williams - February 10, 2023 02:11 PM UTC | Astrobiology

An international team of SETI researchers used a new algorithm to look for technosignatures in GBT data. They found 8 signals of interest!

Seeing a Mirror Image of the Milky Way From Billions of Years Ago

By Carolyn Collins Petersen - February 09, 2023 10:30 PM UTC | Cosmology

SpaceX Sets New Record with Successful Test-Firing of 31 Raptor Engines!

By Matthew Williams - February 09, 2023 05:27 PM UTC | Space Exploration

SpaceX set a new record for thrust with the B7 booster's static fire test, which saw 31 of its 33 engines fire simultaneously.

The Raw Materials for Life Form Early on in Stellar Nurseries

By Evan Gough - February 09, 2023 03:36 PM UTC | Astrobiology

Astronomers still scratching their heads over population of ocean-world exoplanets

By Laurence Tognetti, MSc - February 08, 2023 11:20 PM UTC | Exoplanets

Dwarf Planet Quaoar has a Ring

By Evan Gough - February 08, 2023 06:10 PM UTC | Planetary Science

Could a Dark Energy Phase Change Relieve the Hubble Tension?

By Matthew Williams - February 08, 2023 04:54 PM UTC | Cosmology

A new study suggests that the Hubble Constant could be resolved by the presence of a "New Early Dark Energy" (NEDE) in the early Universe.