A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, ...

Earth’s climate is not only shaped by smokestacks, forests, and oceans. It is also quietly tuned by the slow choreography of ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...

Space missions in the future could travel to Mars, asteroids and the outer solar system by riding on nuclear-powered rockets, thanks to a new design that utilizes energy from the nuclear fission of ...

The spacecraft landed in 2019 to study the deep interior of the planet. NASA is being forced to end its Mars lander mission early because of dust. Officials announced Tuesday the InSight spacecraft is ...

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is extremely ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, built with atomic clocks, GPS satellites and high-speed telecommunications ...