SpaceX Dragon 2 has returned to Earth

Dragon left the International Space Station earlier loaded with science gear. The capsule returned at around 11:30 a.m. CDT today (16:30 UTC) after a five-hour journey from space to splashdown.

Discovery may allow scientists to make fuel from CO2 in the atmosphere

Researchers the world over are looking for new ways to generate power from excess carbon dioxide that leaves a smaller carbon footprint.

Video: March 17 CME strikes Earth’s magnetic field

The video starts slowly ... but then becomes very beautiful as auroras ripple across the sky. Plus ... what causes an aurora.

Rio Grande del Norte National Monument in New Mexico

U.S. President Barack Obama designated the Rio Grande del Norte in northern New Mexico as a national monument yesterday (March 25, 2013).

6.2 magnitude earthquake strikes near Guatemala City

On March 25, 2013, a 6.2-magnitude earthquake struck six miles from Guatemala City. No reports of injuries or damages. No tsunami warning.

Video: Too close to a tornado in Australia

Two men got too close to a large tornado that devastated parts of Victoria, Australia on March 21. Never attempt to race a tornado. Warning: video contains vulgar language.

Reversing blood and freshening it up

A research group explains how they have succeeded in rejuvenating the blood of mice by reversing, or re-programming, the stem cells that produce blood.

New mechanism for long-term memory formation discovered

Study also identifies possible gene target linked to cognitive disabilities.

Comet PANSTARRS closest to the sun in early March

Whether you've managed to glimpse the comet or not, you'll love this video showing PANSTARRS as seen from space. Bright dot on the right is Earth!

Businesses, retail stores and families: Prepare for tornado season

If you manage (or work at, or shop at) a local restaurant, gas station or retail store, what would you do if a tornado were headed your way?