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Remnants of ancient asteroids revealed Earth was bombarded by massive space rocks more often than previously thought, vastly altering oxygen levels in the planet’s early atmosphere. When Earth formed 4.6 billion years ago, it had almost no atmosphere. As the planet cooled, an atmosphere started to form, though it was mainly of carbon dioxide and

A “bomb cyclone” in the Pacific is dumping extreme rain and several feet of snow on California. The wild weather follows a summer of extreme drought and wildfires, and it could bring flooding, mudslides and debris flow to the parched and wildfire-scarred Golden State. The term “bomb cyclone” refers to the rapid intensification process —

The Copernicus program is a project run by the European Union (EU) and European Space Agency (ESA) that builds and manages a fleet of Earth-observing satellites called Sentinel. Eight missions have been launched to date, providing data about changes occurring to the oceans, land and atmosphere of our planet. Copernicus was created in 1998 when

Refresh 2021-10-25T18:16:44.433Z NASA talks launch plans for SpaceX’s Crew-3 mission NASA and SpaceX mission managers are meeting today in a Flight Readiness Review meeting that will decide if SpaceX’s next crewed mission for NASA is ready for liftoff.  Called Crew-3, SpaceX’s next astronaut mission for NASA will launch three American astronauts and one European Space