YR is considered to be larger than the Chelyabinsk asteroid that struck Russia in 2013. Its shock wave was strong enough to ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Finding life on another planet would be a world-changing discovery for humanity. But actually detecting it is no simple task.

This week sees a special stargazing event, as as up to six planets will be visible in a line in the night sky.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said.

Dr. Pascal Lee is a planetary scientist with the SETI Institute, Mars Institute and NASA Ames Research Center in California.

Just as Sun, Moon, Mercury, Venus and Mars move through the signs of the zodiac as they orbit, so do the outer planets.

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...

An extraordinary astronomical phenomenon will illuminate the sky as stargazers are urged to look up to catch a glimpse of the event.

Catch Tallahassee Astronomical Society’s free planetarium show “February Skies over Tallahassee,” at the Fogg Planetarium on Feb. 1.