America's most experienced astronaut Peggy Whitson has splashed down after being aboard a SpaceX Crew Dragon capsule ...

CAPE CANAVERAL, Fla. (AP) — A private spaceflight featuring the first astronauts in more than 40 years from India, Poland and Hungary came to a close Tuesday with a Pacific splashdown.

Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is known about the planet closest to the sun.

Indian astronaut Shubhanshu Shukla returned safely to Earth on Tuesday afternoon as SpaceX’s Dragon capsule, Grace, splashed down in the Pacific Ocean off the coast of San Diego around 3pm IST, ...

Pining for a break from city living? Retreat into our roundup of secluded sanctuaries for a virtual breath of fresh air—from Walton Goggins’s Hudson Valley haven to Sheryl Crow’s Tennessee refuge ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Earth Day, an annual event to show support for the protection of the Earth and what’s living on it, is almost upon us. Under the motto ‘Our power, our planet,’ more than one billion people will come ...