Exoplanets

Earth-Sized Planet Found At One of the Lightest Red Dwarfs

Astronomers have found another Earth-sized planet. It's about 31 light-years away and orbits in the habitable zone of a red…

12 hours ago

How Can We Know if We’re Looking at Habitable exo-Earths or Hellish exo-Venuses?

The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with glittering seas,…

5 days ago

Watch This 12-Year Timelapse of Exoplanets Orbiting Their Star

Back in 2008, astronomers made a big announcement: for the first time, they had taken pictures of a multi-planet solar…

7 days ago

It’s Already Hard Enough to Block a Single Star’s Light to See its Planets. But Binary Stars? Yikes

Detecting exoplanets was frontier science not long ago. But now we've found over 5,000 of them, and we expect to…

2 weeks ago

Could Next-Generation Telescopes See That Earth Has Life?

While the Earth absorbs a lot of energy from the Sun, a lot of it is reflected back into space.…

3 weeks ago

By Blocking the Light From a Star, Webb Reveals the Dusty Disk Surrounding It

AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…

3 weeks ago

Worlds Bustling With Plantlife Should Shine in a Detectable Wavelength of Infrared

Future historians might look back on this time and call it the 'exoplanet age.' We've found over 5,000 exoplanets, and…

3 weeks ago

TESS has Found A Second Earth-Sized World in This System. Exoplanet Science is Maturing

For planet-hunters, finding an Earth-sized exoplanet must be special. NASA estimates there are about 100 billion planets in the Milky…

4 weeks ago

The Webb Has Confirmed its First Exoplanet, and it’s the Same Size as Earth.

The James Webb Space Telescope is the most powerful telescope ever launched into space. That power has led to a…

4 weeks ago

Giant Exoplanet is Spiraling Inward to its Doom

"Death by star" is a fate awaiting most planets in star systems. That includes our Sun, Venus, and Mercury a…

2 months ago