New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

Discover the brightest planets in the December 2025 night sky, including Jupiter and Mercury, and know the best times to see ...

BEIJING -- A group of Chinese researchers has carried out a comprehensive simulation of the Martian dust cycle, based on ...

Tracking the first astronauts’ visit to Mars won’t be as simple as watching a clock or marking days off of a calendar. Thanks ...

A radio signal has been detected, pointing to the possible existence of a magnetic field on YZ Ceti b, an exoplanet 12 ...

Mars clocks tick faster than Earth’s! Discover the groundbreaking findings that could revolutionize space exploration.

Astrologer Valerie Mesa shares your horoscope for December, including what will be your biggest obstacle this month.

High-energy particles streaming through space can damage DNA and increase cancer risk, but antioxidants, tardigrades and hibernation could help astronauts make the journey safely.

A new crew is heading to the International Space Station, just in time for Thanksgiving, to continue important research.

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

For decades, many believed Mars was a dead world with no air. But that’s wrong. This is the real story of the Red Planet's ...

Professional astrologer Steph Koyfman reads your monthly horoscope—and spells out how it may shape your travels.