exoplanets

TRAPPIST-1 Has Flares. What Does This Mean for its Planets?

Using spectra obtained by Webb, an international team examined three TRAPPIST-1 exoplanets during a series of flares.

7 months ago

Can JWST Tell the Difference Between an Exo-Earth and an Exo-Venus?

As of this month, astronomers have discovered 5,506 exoplanets orbiting other stars. That number is growing daily, and astronomers are…

7 months ago

A New Planet-Hunting Instrument Has Been Installed on the Very Large Telescope

A new study shows how existing observatories like the ESO's Very Large Telescope (VLT) can be upgraded to perform cutting-edge…

7 months ago

Is it Life, or is it Volcanoes?

Astronomers are working hard to understand biosignatures and how they indicate life's presence on an exoplanet. But each planet we…

7 months ago

If Earth is Average, We Should Find Extraterrestrial Life Within 60 Light-Years

A new study estimates that there could be 11,000 habitable planets within 100 parsecs of our Sun, the nearest being…

7 months ago

How Do Lava Worlds Become Earth-Like, Living Planets?

Earth was once entirely molten. Planetary scientists call this phase in a planet's evolution a magma ocean, and Earth may…

7 months ago

Gaia is Now Finding Planets. Could it Find Another Earth?

The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky…

7 months ago

Why Build Megastructures? Just Move Planets Around to Make Habitable Worlds

A new study recommends we stop looking for megastructures and start searching for advanced civilizations who have moved multiple planets…

7 months ago

Tiny Swarming Spacecraft Could Establish Communications with Proxima Centauri

New research from the Institute for Interstellar Studies explains how swarms of thousands of tiny spacecraft could maintain communications with…

7 months ago

TESS Finds a Planet That Takes 482 Days to Orbit, the Widest it’s Seen so Far

We're rapidly learning that our Solar System, so familiar to us all, does not represent normal. A couple of decades…

8 months ago