Space
- Earth
Killer space rock snuffed out ancient life
Rock fragments from Antarctica suggest a huge meteor struck Earth 250 million years ago.
- Space
Asteroid lost and found
A long-lost asteroid that came close to Earth in 1937 has been spotted again.
- Space
The Mirror Universe of Antimatter
Scientists are creating particles of antimatter to learn why the universe has so few.
- Space
Dreams of floating in space
Traveling into outer space is scary, fun, and a possibility for anyone who's willing to work hard enough to get there.
- Space
Tossing Out a Black Hole Life Preserver
A ring of matter would keep you alive longer as you get swallowed by a black hole.
- Space
Intruder Alert: Sweeping Space for Dust
The solar system is filling up with stardust three times faster than it was 6 years ago.
- Space
Big galaxy swallows little galaxy
Astronomers find a convincing case of a large galaxy caught in the act of eating a smaller one.
- Space
Sky Dust Keeps Falling on Your Head
Dust raining down from space and Earth's atmosphere provides information about weather patterns, pollution, and the origin of the universe.
- Planets
A planet from the early universe
Astronomers have found the oldest and most distant planet known in the universe.
-
-
- Space
Phantom Energy and the Big Rip
Weird stuff called dark energy could push the universe toward a runaway expansion and ultimate demise about 21 billion years from now.
