Swift Measures the Distance to Two Blasts

20 years ago

Since its launch late last year, NASA's Swift space telescope has already spotted 24 gamma-ray bursts - the most powerful…

Searching for Gravity Waves

20 years ago

When he developed his General Theory of Relativity, Einstein predicted that the motion of large masses should create ripples in…

Starburst Galaxies Hide Black Holes

20 years ago

Starburst galaxies get their name from the enormous amount of star formation going on inside them; on average, they create…

How Many Habitable Planets Could Be Out There?

20 years ago

The chances of finding life somewhere else in the Universe depends on how many planets are capable of supporting life.…

What’s Up This Week – Apr 4 – Apr 10, 2005

20 years ago

Greetings, fellow SkyWatchers! This week's dark sky will give us the opportunity to wander into the galactic realm as we…

Portrait of Pandora in the Rings

20 years ago

NASA's Cassini spacecraft took this image of Pandora, orbiting just beyond Saturn's F ring. Pandora is only 84 km (52…

And the Winner is…

20 years ago

Thanks to everyone who threw your name into the hat to win the Apollo 13 DVD, and the winner is...…

Earth Seen in Gamma Rays

20 years ago

A NASA-funded researcher has created an image of the Earth as it would look if you had gamma ray detectors…

Hubble’s View of a Giant Elliptical Galaxy

20 years ago

The Hubble Space Telescope recently captured this image of the giant elliptical galaxy NGC 1316, located in the southern constellation…

Ultraviolet View of Mimas

20 years ago

NASA's Cassini spacecraft took this picture of Mimas, Saturn's "Death Star" moon on February 18, 2005 at a distance of…