Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly stopped communicating to ...

The James Webb Space Telescope (JWST) has once again spotted a distant exoplanet that I have exactly zero interest in ...

WASHINGTON, Dec 12 (Reuters) - Investors eyeing SpaceX's potential blockbuster IPO may need to brace ‌themselves ​as CEO Elon ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

NASA has lost contact with one of its longtime Mars workhorses after the spacecraft abruptly stopped communicating. Maven was ...

CAPE CANAVERAL, Fla. — NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...