Audio: Homing Beacon for an Asteroid

19 years ago

Asteroids have been roughing up the Earth since it formed 4.6 billion years ago. Hundreds of thousands of potentially devastating…

What’s Up This Week – June 6 – June 12, 2005

19 years ago

Greetings, fellow Skywatchers! The week begins with a New Moon and an opportunity to study the rich galactic region around…

Book Review: The Real Space Cowboys

19 years ago

Diaries hold the accounts of some of the dearest, most precious moments of our lives. The pleasure of a first…

Supernova Left No Core Behind

19 years ago

When supernova 1987A blew up in the Large Magellanic Cloud, it was the closest supernova in over 300 years, and…

Opportunity Rolls Free from the Dune

19 years ago

When Opportunity got its wheels stuck in a sand dune more than a month ago, operators had no idea it…

Strange Ozone Hole this Year

19 years ago

Even through large levels of ozone were destroyed in the Earth's atmosphere this winter, NASA's Aura spacecraft detected that the…

View Through the Rings

19 years ago

Cassini took this beautiful photograph of Saturn, shrouded behind its own rings. This image was taken in visible light on…

Mars Phoenix Mission Prepares for 2007 Launch

19 years ago

NASA announced today that it has begun preparing the Mars Phoenix lander spacecraft for its August 2007 launch to the…

Following the Dust Trail

20 years ago

On March 13, 1986, the ESA probe, Giotto, had a close encounter - a close encounter with a visitor from…

Recent Blast was Probably a Neutron Star Collision

20 years ago

When astronomers started analyzing the recent gamma ray burst GRB050509b, they knew right away that they were seeing something very…