On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. [‘On This Day in Space’ Video Series on Space.com] The Mariner 2 ...

Though my feet have remained on Earth the entirety of 2025, my mind spent a surprising amount of time in space.

Something happened to the probe on the far side of the Red Planet.

On this day in 1962, NASA’s Mariner 2 spacecraft made history with a close flyby of Venus, marking a major milestone in the early years of space exploration. The mission became America’s first ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Up to 150 shooting stars may brighten the night sky each hour during the Dec. 13 peak.

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

Space is inaccessible to the vast majority of us, but it’s not as far away as you might think. The von Kármán Line, which is ...

According to expert numerologists, astrologers, and spiritual practitioners, four birth dates are most likely to carry a ...

Perhaps it's time to rebrand.

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

The dream of colonizing other planets is a science fiction fantasy. This video presents a harsh, scientific reality check on our solar system. We analyze the lethal conditions on Mars, Venus, and ...