Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...

NASA’s Hubble Space Telescope has peered deeper than ever into a quasar, revealing a bunch of “weird” features in its […] ...

While Semeter is studying the ionosphere, the SHIELD NASA DRIVE Center, a team of astrophysicists from different universities ...

What exercises can future astronauts on long-term missions to the Moon or Mars conduct to help mitigate the effects of cartilage damage resulting from micr | Space ...

The aviation museum in Tucson has new planes, some of which you can go in. Here's how long it takes to go through the museum and how to get tickets.

SOFIA captures the magnetic field lines shaping the Keyhole Nebula, revealing hidden forces at play in the Carina Nebula.

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...

Space scientists have unveiled a cosmic bouquet in time for Valentine's Day. The new image includes data from several ...

Jumping workouts could help astronauts prevent cartilage damage they are likely to suffer during lengthy missions to Mars, ...