Forty-three years ago, in March 1982, humanity received its last direct visual postcard from the surface of Venus.

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

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

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, ...

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

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

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".

Alien: Earth premieres with two episodes on Tuesday, August 12, and drops one episode per week after that. FX dropped the first two episodes of Noah Hawley’s Alien: Earth, and it’s clear from the ...

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