Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

A NASA mission is set to launch twin spacecraft on a journey to Mars. The robotic orbiters could lift off atop Blue Origin’s New Glenn rocket as soon as Sunday.

NASA’s Mars Dune Alpha is a simulated habitat designed to prepare astronauts for life on the Red Planet. This documentary ...

This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space.

Operation Space Station is a two-part PBS documentary series on the International Space Station. Here’s a very short teaser ...

NASA’s longest-running Mars mission has sent back an unprecedented side view of a massive volcano rising above the Red Planet, just before dawn. On May 2, as sunlight crept over the Martian horizon, ...

NASA's James Webb Space Telescope has captured evidence of a planet beyond the solar system for the first time since its launch in 2021. The exoplanet, a planet beyond our solar system, has been ...

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...