The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION: Joseph ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

Incredible new images of the sun's surface provide an unprecedented view of sunspots and other solar activity.

Floated by Carl Sagan in the 1970s, terraforming Mars has been relegated to the pages of science fiction. But could it work?