NASA studies Mars more than scientists know about our oceans. The Red Planet is the most studied celestial body, and a new ...

A new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick ...

Father Ninian Doohan, 44, raised a chalice during a Mass celebrated 17,598 feet up from the Khumbu valley at Mount Everest Base Camp, using a hewn stone as his altar. Holy Mass offered for peace ...

"To the discerning eye, other mountains are visible—giants between 23,000 and 26,000 feet high. Not one of their slenderer ...

Watch: Paraglider gets sucked into clouds as high as Mount Everest, captures video of terrifying experience at -40°C The paraglider was caught in a cloud vortex and reached 8,598 meters without ...

RJ Nagarajan's story isn't about strength; it's about determination. This senior is redefining what is possible with grit and ...

The shy, athletic 21-year-old was still an undergraduate at Oxford’s Merton College when the Mount Everest Committee invited him to join the expedition in 1923.

A new proposal from Nepal aims to tighten requirements and improve climber safety on the world's tallest peak, but such proposals rarely become law.

In his latest video, Ben Ayers discusses the base and midlayer garments that kept him warm and dry at Mount Everest Base Camp ...

Mount Everest suffers traffic jams as climbers battle harsh weather - with beginners not helping. Hundreds of climbers and their Sherpa guides have scaled the famous Nepalese mountain this month ...