While the sight is fascinating, scientists are still trying to understand why carbon dioxide ice clouds only form in specific ...

A laser-engraved, intricately decorated dial with an unusual arrangement proves there is more than one type of ...

NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Valentine’s Day is upon us. Whether you’re hitched, on Hinge, poly, curious or conscientiously abstaining, love is in the air ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

From the daily newsletter: a doctor goes to Mars. Plus: investigating celebrity yearbooks; Merve Emre on friendship books; ...

Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.