When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

See imaginative exoplanet worlds by St. Ann’s fifth graders at Blakemore Planetarium, Museum of the Southwest, on view ...

What: New JWST observations probe the possible atmosphere of TRAPPIST-1 e, an Earth-sized planet in the habitable zone of a ...

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the ...

An exoplanet covered in so many volcanoes that its molten surface radiates a fiery red has been discovered orbiting a star 66 light-years from Earth. That sentence may ring a bell for Star Wars fans, ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...

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

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 ...

"Barnard b is one of the lowest-mass exoplanets known and one of the few known with a mass less than that of Earth." When you purchase through links on our site, we may earn an affiliate commission.

Observing the Universe often means contemplating phenomena that occurred millions of years ago. But sometimes, the ...