The interstellar visitor appears to have a lot in common with its solar system brethren.| Space
The private Nova-C lander, named Odysseus, is carrying a bunch of NASA and commercial science payloads.| Space
"This is a major step toward understanding how galaxies like our Milky Way came to be."| Space
Facts and myths about Ursa Major, the Great Bear constellation.| Space
How are stars named? And what happens when they die? These star facts explain the science of the night sky.| Space.com
These 'cosmic lighthouses' can spin as fast as 700 rotations per second.| Space.com
Neutron stars are one of the most extreme and exotic objects in the known universe.| Space.com
Astronomy was born out of humankind's ancient fascination with the star-studded sky.| Space.com
Beyond the limits of light: exploring the speed of light and the boundaries of faster-than-light travel| Space.com
Black holes are some of the most fascinating objects in the universe.| Space.com
NASA's forthcoming Nancy Grace Roman Telescope will hunt for "cosmic orphans," starless planets that might even outnumber their orbiting counterparts in our galaxy.| Space.com
Thousands of exoplanets have been discovered since the 1990s, including "hot Jupiters," "super-Earths" and other types of alien worlds.| Space.com
The early-17th-century astronomer Johannes Kepler defined the basic rules governing planetary motion.| Space.com
Find out what's up in your night sky during August 2025 and how to see it in this Space.com stargazing guide.| Space
Something is throwing icy bodies past Neptune, and scientists have an interesting idea about what it might be.| Space
The Pleiades is a bright star cluster and a popular skywatching target.| Space