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

Life loves rivers. Here on Earth, large drainage basins cover nearly half of the land surface. On Mars, they cover only about ...

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

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

One of NASA’s workhorse spacecraft in orbit around Mars has fallen silent, leaving agency personnel scrambling to ...

A Charleston astronomy professor answers astronomy students' questions about worm holes, black holes, colonizing Mars, outer space's many strange odors and more, ...

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

Dust devils on Mars form when air near the warm surface heats up and rises through cooler surrounding air, causing nearby air ...

A vast, magnetically tangled sunspot has rotated into direct view of Earth, raising the prospect of powerful solar eruptions ...

The first clear crackle of Martian lightning has finally reached human ears, captured by a microphone bolted to a rover ...

Tonight, under Delhi’s hazy winter sky, its sandstone dome glows like a lantern lit for emperors. Motorcades roll in.

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...