The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major ...

The "Pink Planet," formally known as GJ504b, was discovered in 2013 and is technically not a planet but rather a ...

Earlier this month, the Artemis II astronauts took the ultimate roadtrip: a flyby of the Moon, on which they brought the entire world along. A livestream of their seven-hour closeup journey showcased ...

The Sun looks like a warm yellow sphere with a surface covered with glowing messy hair. The yellow glow extends to the edges of the image, with some regions brighter than others. Many bright yellow ...

When scientists sent bacteria-infecting viruses to the International Space Station, the microbes did not behave the same way they do on Earth. In microgravity, infections still occurred, but both ...

On April 10, Artemis 2 safely returned to earth. Their 10-day voyage took them deeper into space than any human has traveled, and, like others before, left them spellbound by the sight of our fragile ...

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 ...

Space discoveries over the last five years have transformed how scientists understand galaxies, planets, and the origins of the universe. Advances in telescope technology, data processing, and modern ...

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From navigation to solar weather forecasting, many different areas of research require space-based sensors to measure Earth's magnetic field as accurately as possible at any given moment. So far, ...

An imperfect diamond is perfect for sensing Earth’s magnetic field from space. A quantum device used a diamond’s defects to map Earth’s magnetic field from the International Space Station. Just 10 ...