Astronomy

Can Super-Fast Stars Unveil Dark Matter’s Secrets?

Zoom! A star was recently spotted speeding at 1.4 million miles an hour (2.2 million km/hr), which happened to be the closest…

10 years ago

Why Earth’s Spores Could Survive A Trip to Mars

Here's a finding to give planetary protectionists pause: two species of spores mounted on the International Space Station's hull a…

10 years ago

Found! Sun’s ‘Sibling’ Likely Formed From Same Gas Cloud, Astronomers Say

Peer about 110 light-years away from our solar system, and you might catch a glimpse of how our own neighborhood…

10 years ago

Observing Alert: See Mercury’s Best Evening Show of the Year

Don't let furtive Mercury slip through your fingers this spring. The next two and a half weeks will be the best…

10 years ago

Interesting Prospects for Comet A1 Siding Spring Versus the Martian Atmosphere

It may be the chance of a lifetime for planetary science. This October, a comet will brush past a planet,…

10 years ago

Star Trail Photo Hints at Hidden Polestars

A week ago I made a 45-minute time exposure of the southern sky featuring the planet Mars. As the Earth…

10 years ago

Asteroid 2013 UQ4 Suddenly Becomes a Dark Comet with a Bright Future

On October 23, 2013,  astronomers with the Catalina Sky Survey picked up a very faint asteroid with an unusual orbit more…

10 years ago

The Hunt for KBOs for New Horizons’ Post-Pluto Encounter Continues

Are you ready for the summer of 2015? A showdown of epic proportions is in the making, as NASA’s New…

10 years ago

Most Powerful Solar Telescope on Earth Rises Atop Hawaiian Volcano

Rising 10,000 feet above the sunburned faces of 2.2 million tourists a year, the largest solar telescope on the planet…

10 years ago

Surprise Gamma-Ray Burst Behaves Differently Than Expected

Roughly once a day the sky is lit up by a mysterious torrent of energy. These events — known as gamma-ray…

10 years ago