NASA's Europa Clipper and the James Webb Space Telescope have revealed the chemical secrets of interstellar comet 3I/ATLAS, ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

We live with this star, so it’s really important we observe it and try to understand how it works and how it affects our ...

Today, Mars is known as the red planet, for its rust-colored desert landscape. Once upon a time, Mars was a very different ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

MAVEN's handlers haven't heard from the probe since Dec. 4. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Things aren't looking good for one of ...

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

NASA has lost contact with its MAVEN spacecraft, which has been orbiting Mars for more than a decade. The orbiter, launched in 2013 from Florida, studies the upper atmosphere of Mars to understand its ...

NASA has lost contact with its MAVEN spacecraft, which has been orbiting Mars for over a decade. The loss of signal occurred on Dec. 6 as the orbiter passed behind Mars from Earth's perspective. MAVEN ...