Data captured by one of the Curiosity rover's instruments suggests Mars transitioned back and forth between wetter and drier times before losing its surface water completely around three billion years ago....

In recent years there has been an exhaustive study of red dwarf stars to find exoplanets in orbit around them. These stars have effective surface temperatures between 2400 and 3700 K (over 2000 degrees cooler than the Sun), and masses between 0.08 and 0.45 so…...

Ingenuity is ready to attempt its first flight April 19....

At the high end, it's probably less than half the total number of humans that have ever lived. But it doesn't take many to be terrifying....

The year's shooting-star spotting season starts now....

Binary black holes lens light so strongly it's difficult to simulate how they would appear. A new simulation shows us how strange and complex it can get....

It's about 1,000 times larger than the Milky Way's own central black hole....

New Horizons could keep studying its exotic environs through the late 2030s....

A new study finds that coffee pulp, a waste product of coffee production, can be used to speed up tropical forest recovery on post agricultural land. The findings are published in the British Ecological Society journal Ecological Solutions and Evidence. In th…...

NASA astronaut Kate Rubins, along with Roscosmos cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov, returned to Earth on Saturday, following six months living and working aboard the International Space Station....

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Completing a spin test means the Ingenuity Mars copter could be a step closer to its first flight....

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The lander first touched down on the red planet in 2018. Why is the InSight lander dying? Can the InSight lander be revived?...

Since Yuri Gagarin got into a rocket and flew into space 60 years ago, approximately 21 lives have been lost in the cosmos, but as space agencies prepare for the first......

The Lyrid meteor shower is active from April 16-25 each year, peaking in the predawn hours April 22. The year's first supermoon follows on April 26....

Decision is latest in string of lunar-related wins for Elon Musk-controlled company...

The Lyrids will light up the skies starting this weekend....

The creation of a human–long-tailed macaque hybrid embryo roiled the internet. We asked experts what this means...