In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, ...

A nebula takes on the appearance of a rampaging lion in a new deep space vista captured by astrophotographer Ronald Brecher ...

The powerful coronal mass ejection would have likely destroyed the atmospheres of any potentially habitable planets nearby ...

A new set of computer simulations may finally explain several long-standing mysteries surrounding gigantic radio "relics" ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

Astronomers have detected a mysterious cosmic 'heartbeat' repeating every 22 minutes, unlike any known celestial object.

The observation of the low-energy γ-ray (0.1 to 30 MeV) sky has been significantly limited since the Imaging Compton ...

On Episode 187 of This Week In Space, Rod Pyle and Tariq Malik talk with Glen Swanson, author of the new Star Trek history ...

Exploring one of science's most exciting frontiers, the book "Life in Space" bridges astrophysics and biology to uncover the ...

Bloomer: It is best to start with a little naked-eye astronomy: see if you can pick just something out at first, and build ...

In the July 2003 issue of Astronomy, Bob Berman describes some of the space age’s failures, from the tragic loss of the shuttles Columbia and Challenger to the nearly catastrophic Apollo 13 mission.