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, ...

A mysterious object from interstellar space is screaming through the solar system right now, and is expected to rip past ...

Ever since a mysterious interstellar object, dubbed 3I/ATLAS, was first spotted screaming into our solar system, famed Harvard astrophysicist Avi Loeb has been raising the possibility that the ...

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 ...

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, ...

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 ...

I/ATLAS, interstellar comet or alien spacecraft, to fly by Mars next month, giving European and international spacecraft a rare chance to observe an object from beyond the solar system.

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

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