What happens on land affects the oceans, and satellites can see it all unfold.
The Grand Canyon is missing one billion years' worth of rocks, and the breakup of the ancient supercontinent Rodinia may be responsible, according to a new study.
Former cosmonaut Svetlana Savitskaya was the second woman to go to space, the first woman to perform a spacewalk and the first woman to go to space twice.
Earth is spherical, but what would happen if the Earth were flat? We explore some of the bizarre implications of a flat world which would make life as we know it virtually impossible.
Join astronaut Terry Virts as he discusses what matters on planet Earth with a range of interesting guests
What's the weather like on other worlds? Expect methane rain, global haboobs and a 10,000-mile-wide hurricane.
Two decades' worth of Antarctic research reveals 5,200 tons of extraterrestrial dust lands on Earth each year.
NASA's long-serving Hubble Space Telescope is seeing double after detecting two rare pairs of quasars nestled within galactic collisions that occurred 10 billion years ago.