Why scientists believe Venus could host alien microbial life.

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, the answer lies far beyo.

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...

Harvard astronomer Avi Loeb has just spoken out about a bold proposal: launching a spacecraft to pursue and capture the interstellar comet 3I/ATLAS.

An intriguing religious issue is raised by an odd space-age colloquy in mid-February between Barack Obama and Donald Trump. Out of the blue, political podcaster Brian Tyler Cohen asked Obama, “Are ...

Venus and Saturn are due for a visually striking event known as a planetary conjunction this weekend in time with daylight ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about when and how to see it.

Venus and Saturn will appear close together in the night sky Sunday, March 8. Here's how to see the conjunction from around Arizona.

Want to catch a glimpse of the planetary alignment from Florida? Here's what to know, including a list of official dark sky ...