We could be overlooking an entire population of asteroids that pose a threat to Earth on the very simple basis that they're extremely hard to see.

Strange, quasi-circular circles structures called coronae scour the surface of Venus — but their origins are a mystery.

Hidden barrier found 400 miles inside Venus that blocks rising hot rock and creates ring-shaped volcanic features called ...

Utah State University's Space Dynamics Laboratory has released open-source software to detect potentially harmful shooting ...

Astronomers warn of hidden asteroids near Venus that evade detection, with some capable of crossing Earth’s orbit and posing ...

Look, we don’t want to anthropomorphize, but is it possible that a planet that has gone to such lengths to make life ...

Fifteen years after launch, JAXA has said goodbye to the spacecraft, our only working probe around Earth's "sister planet".

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Set your alarm for a stunning spectacle! Venus, Moon, and Regulus will align in Leo Saturday morning. The rare celestial event will be visible to the naked eye.

Because of the sun's positioning in the days just before, during and after the equinox, those looking down east-west roads in Chicago and the suburbs will be able to see the sun framed by much of the ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...