One of seven Earth-sized planets, TRAPPIST-1d, caught the attention of NASA researchers and is one of the promising planets ...

For decades, the search for alien life has revolved around a narrow ring around stars where liquid water could exist on a planet’s surface. That “habitable zone” remains important, but astronomers are ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

An illustration of the "cotton candy" planet WASP-193b. Astronomers have discovered a new planetary oddball beyond the solar system that is as fluffy and light as cotton candy. Located around 1,200 ...

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

"Abnormal, chaotic and strange" are just a few adjectives astronomers are using to describe a perplexing planetary system 60 light-years from Earth. And for one of the two exoplanets orbiting the ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The gas giants in our solar system—Jupiter and Saturn, along with ...

While this might describe a typical late-summer day in many places on Earth, it may also apply to planets outside our solar system, according to a new study by an international team of astrophysicists ...

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...