The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

A pull in the right direction ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

In high enough doses, hydrogen cyanide can kill an adult human in minutes, but the chemical may be the reason why we’re here ...