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

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 ...

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

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

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

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 ...

Earth and Mars were formed from material that largely originated in the inner Solar System; only a few percent of the building blocks of these two planets originated beyond Jupiter’s orbit. A group of ...

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

Scientists have developed a new form of nuclear propulsion that they claim could slash mission times to Mars and enable ...

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

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