There's a six-planet parade on Monday, Aug. 25, just before dawn. Saturn, Jupiter and bright Venus will dominate the scene, with Mercury putting in a fleeting appearance ...

Researchers at the University of Colorado Boulder are helping to lead planning efforts for NASA’s next major space telescope ...

Researchers at the University of Minnesota Twin Cities have made a new discovery by observing and analyzing the first new ...

Two new studies are reshaping the way astronomers search for signs of extraterrestrial life. One, led by Penn State ...

On Aug. 24, 2006, the International Astronomical Union (IAU) decided that Pluto wasn't a planet anymore. Instead, Pluto is ...

Anecdotal reports say firefly populations are declining. One program hopes to change that, one backyard or park at a time.