There was water on Mars as early as 4.45 billion years ago, just a short time after the planet formed from the leftover dust ...

The problem with this idea is that Mars is a small planet with less gravitational pull than Earth or Venus, which have no ...

Lowell Observatory astronomer and asteroid expert Nick Moskovitz said we know little about this asteroid coming by so close ...

CAPE CANAVERAL, Fla. — Planet Earth is parting company with an asteroid that’s been tagging along as a “mini moon” for the ...

The asteroid is going to safely pass by Earth on Nov. 26, and astronomers say it’s one of many near-Earth objects (NEO).

Scientists believe the so-called "mini moon" was once part of the Arjuna asteroid belt, a group of asteroids following a ...

Determining when water first appeared, where, and for how long, are all burning questions that drive Mars exploration.

Earth will say goodbye to an asteroid that has acted as a mini moon for the past two months. But astronomers say it will ...

Bad news, folks: those samples from the asteroid Ryugu appear to have been contaminated by life here on Earth.

Earth is saying goodbye to an asteroid that has been a "mini-moon" of sorts since late September, when it joined the planet's ...

An asteroid roughly the size of a football field, 2006 WB, is set to pass close to Earth tomorrow, zipping by at a distance ...

The mini moon, known as 2024 PT5, is quite possibly a boulder blasted off the moon by a crater-forming asteroid ...