Nester Korolev swivels a knob on a microscope, and a tiny speck of a mineral that formed hundreds of kilometers beneath Earth’s surface comes into view. Until Korolev peered at it a few years ago, no ...

Earth’s molten outer core is critical to life on our planet. Churning some 2,900 kilometers beneath the surface, it’s a vast “sea” of liquid iron that swirls around the planet’s solid inner core. This ...

An asteroid roughly the size of one to two school buses will fly by Earth Monday, coming as close as 91,593 kilometers (56,913 miles), according to the European Space Agency — equivalent to about one ...

A new timelapse shows the stunning views of Earth that four astronauts got during their historic moon journey last month. A small selection of the 12,000 photos released from the Artemis 2 archive ...

A newly discovered asteroid estimated to be about 62 feet wide will zoom near Earth on Monday, though it is not expected to pose a threat to the planet. Subscribe to read this story ad-free Get ...

A long-term study of humanity's footprint after dark reveals a constantly shifting portrait of human activity visible from space. When you purchase through links on our site, we may earn an affiliate ...

A hefty, never-before-seen asteroid is racing toward Earth at around 20,000 mph (32,000 km/h) and will zoom past our planet closer than some satellites on Monday (May 18), scientists say. You can ...

David Attenborough, who turned 100 on May 8, has spent more than 70 years exploring the planet and its living inhabitants — filming, and marveling at, a world full of natural treasures. In the process ...

Each year TIME honors individuals whose actions have had an indelible impact on global efforts to address one of the most pressing crises facing our planet: climate change. This year marks TIME’s ...