Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

Typically, a planet's magnetic field funnels the material into its atmosphere. But even planets without a field can still ...

National Geographic is running a challenge for users to submit photos that "celebrate the beauty of the planet" for Earth Day ...

It’s Earth Day on April 22 and I want to get involved. How can I support environmental charities trying to address climate ...

NASA’s oldest active astronaut just gave Earth a jaw-dropping look at one of the planet’s rarest and most beautiful phenomena ...

In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

NASA astronaut Don Pettit captured two amazing videos of the auroras from his unique perch above Earth last week.

Uranus seemed like a fairly calm, blue-green planet. But new findings from Hubble paint a different picture of Uranus.

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

NASA's vast archive of science data, over 100 petabytes and counting, is proving to be a timeless treasure trove for new ...

The astrology forecast for April 2025 brings the end of two retrogrades, the annual Pink Moon, and Taurus season intensity, ...