Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

For decades, people have asked if life ever existed on Mars. The question moved from science fiction to careful science with ...

Ever since a mysterious interstellar object, dubbed 3I/ATLAS, was first spotted screaming into our solar system, famed ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

Astronomers simply can't shake the feeling that there's something really off about interstellar object 3I/ATLAS. The mysterious entity, which was first spotted hurtling towards the Sun in early July, ...

NASA’s Perseverance rover has recently discovered the biosignature, revealing the possibility of ancient life that once ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything ...

Different parts of Mars have different advantages and disadvantages when it comes to their available resources, just like ...

In a groundbreaking development, Ohio State University has unveiled a new concept for nuclear thermal propulsion that could significantly cut down travel time to Mars. Building on past space ...

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...