An international team of astronomers reports the discovery of a new giant exoplanet around an M-dwarf star (GEMS). The ...

One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, ...

What did NASA’s New Horizons find when it reached Pluto? The results shocked astronomers: Pluto wasn’t a lifeless rock - it was geologically active, covered in glaciers, and had a hidden underground ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

"The Krokodillen rocks formed before Jezero Crater was created, during Mars' earliest geologic period, the Noachian, and are ...

NASA’s Perseverance rover is discovering a treasure trove of diverse ancient rocks on Jezero Crater’s rim, some possibly ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...