On Nov. 27, 2001, NASA announced the first detection of an exoplanet atmosphere. Using the Hubble Space Telescope's ...

Exoplanet TOI 1227 b is being bombarded by x-rays from its host red dwarf star, causing it to “shrink from the size of ...

"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 ...

NASA is celebrating a big milestone after the 6,000th exoplanet discovery was confirmed this week. Exoplanets are worlds outside our solar system. Just over three decades ago, the first exoplanets ...

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

Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

NASA announced a new milestone in its search of the stars. It has now found more than 5,000 exoplanets -- those outside of our solar system. “It’s not just a number,” Jessie Christiansen, a researcher ...

A red dwarf star 330 light-years away appears to be annihilating a baby Jupiter-size planet in its orbit. Credit: NASA / CXC / SAO / M. Weiss illustration Astronomers have taken a close look at one of ...

How many planets outside our solar system, known as exoplanets, exist throughout the Milky Way Galaxy? While that might never be determined, NASA recently announced the total number of confirmed ...