Astronomers have found another Earth-sized planet. It's about 31 light-years away and orbits in the habitable zone of a red…
The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with glittering seas,…
Back in 2008, astronomers made a big announcement: for the first time, they had taken pictures of a multi-planet solar…
Detecting exoplanets was frontier science not long ago. But now we've found over 5,000 of them, and we expect to…
While the Earth absorbs a lot of energy from the Sun, a lot of it is reflected back into space.…
AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…
Future historians might look back on this time and call it the 'exoplanet age.' We've found over 5,000 exoplanets, and…
For planet-hunters, finding an Earth-sized exoplanet must be special. NASA estimates there are about 100 billion planets in the Milky…
The James Webb Space Telescope is the most powerful telescope ever launched into space. That power has led to a…
"Death by star" is a fate awaiting most planets in star systems. That includes our Sun, Venus, and Mercury a…