Look for alien artifacts on moon, says renowned scientist

If extra-terrestials visited the moon, they may have left tell-tale signs. It's worth a look, says a leading scientist, and won't cost much.

Space fans! Top 5 things to look forward to in 2012

EarthSky space blogger Laura Dattaro picks her top 5 most exciting things to look forward to in space science in 2012.

Lakes and storms on Saturn’s moon Titan explained

Saturn's moon Titan has an impenetrable methane atmosphere. Scientists explain mysteries of the "methane cycle" on Titan - a cousin to Earth's water cycle.

Genetically engineered silkworms with spider genes spin super silk

Super strong silk from genetically engineered silkworms might be useful for sutures, artificial limbs and parachutes.

Final Orion spacecraft water landing test will happen January 6

The Orion crew capsule test conjures up memories of Apollo astronauts splashing down in the oceans in the '60s and '70s.

Deep in Earth’s interior, minerals behave unexpectedly

Scientists have discovered that iron oxide conducts electricity more readily under the extreme pressures and temperatures found in Earth’s deep interior.

Zoom in on the Omega Nebula, star birthplace

This video was created from images captured by ESO's Very Large Telescope (VLT.) Zoom into the dusty pink core of the Omega Nebula, star nursery.

Satellite shows ghost shoreline of Lake Buchanan in Texas

By the morning of December 28, 2011, Lake Buchanan stood roughly 23 feet (7 meters) below its historic average for the month.

Missing winter? For U.S., it’s coming

For most of the U.S., winter 2011/2012 has been fairly quiet and mild so far. But the models are all hinting at a significant change to come.

View from space: Comet Lovejoy video

Watch a video of how Comet Lovejoy looked to astronauts on the ISS