Fermi Bubbles from Milky Way core, now with jets

Astronomers at the Harvard-Smithsonian Center for Astrophysics have added more to the emerging picture of Fermi Bubbles in galactic centers.

Five best things to see during a lunar eclipse, from the moon

If you could stand on the surface of the moon during a total lunar eclipse, you'd be bathed in an eerie red glow. Here are the five best things to see.

The best way to view the June 5-6 transit of Venus safely?

Want to view the June 5-6 transit of Venus? Some of the best way ideas to view the transit here.

Venus transit of 1882 in video

All 147 negatives of the 1882 Venus transit had lain patiently on a high-up, corner shelf at Lick Observatory for 120 years. Two astronomers decided to make a movie.

Venus edging closer to sun prior to transit!

Sun-observing SOHO spacecraft has caught sight of Venus prior to spectacular transit - last one in our lifetimes - on June 5-6. See the historic photos.

ISS astronaut first to photograph a Venus transit from space

International Space Station Expedition 31 crew will be the first people ever to see a Venus transit from space. ISS astronaut Don Pettit will be the first to photograph one.

Saturn’s moon rains water onto Saturn

One of the coolest things about the planet Saturn is its moon Enceladus. This moon is known to expel water and rain it down onto its parent world.

A spiral within a spiral galaxy

ESO 498-G5's spiral arms wind all the way into the galaxy's center. ESO 498-G5's core looks like a miniature spiral galaxy at the heart of the larger spiral.

Aliens won’t want to enslave us, says alien hunter

SETI Institute's Jill Tarter disagrees with Stephen Hawking, and movies and TV shows, that depict angry aliens hoping to enslave or eat us.

Jill Tarter to step down as SETI director

After 35 years of searching the skies for signs of alien life, astronomer Jill Tarter - inspiration for Jodie Foster's character in "Contact" - is stepping down