The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

The findings suggest that there are many more targets of opportunity for locating potentially habitable worlds across our ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of ...

Mar. 12, 2025 — Scientists identify a new way to detect life in outer space ... Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

In celebration of 35 years spent in orbit around Earth, the Hubble team has released a set of four new images showing the ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Hubble’s three-and-a-half-decade lifetime has allowed astronomers to observe cosmic objects over extended periods to see how ...

"Any claim of life on another planet requires a lot of justification, and I don't think we're there yet, Måns Holmberg, a ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star ...

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...