Early on Tuesday, Feb. 26, a rare annular solar eclipse created a “ring of fire” over Antarctica, while South Africa and ...

A 2010 astronaut photo shows off the astonishing scale of the Great Dyke of Zimbabwe, which stretches over 340 miles (550 ...

A “ring of fire” solar eclipse will be visible on Tuesday, with the best views in Antarctica and partial eclipse views in Africa and South America.

The ocean surface is definitely not flat. It is constantly changing as wind, waves and swells produce surface undulations, daily tidal fluctuations raise and lower the average height.” ...

With its cobalt and lithium mines, Congo is powering a new energy revolution. It contains both the worst horrors of modern ...

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...

Three developments stand out that will make the return to the moon effort different from the first time we visited Earth’s ...

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue prompted NASA to move up their return to Earth. Kenneth Chang Two American ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early return. By Kenneth Chang An astronaut who experienced a medical issue ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Lightning is one of Earth’s most impressive phenomena. The ...

The Milky Way is a spiral galaxy containing 100-400 billion stars. Planet Earth sits along one of the galaxy’s spiral arms. Though the Milky Way is generally always visible from Earth, certain times ...