Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...

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

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

As the iconic movie celebrates its big 3-0, read along to find out which character from the film is most like your zodiac ...

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

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 ...

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 ...

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

The luckiest day of the week for each zodiac sign from December 15 - 21, 2025 reveals when you can take advantage of a wave ...

We’ve heard about terraforming the Moon and Mars as we attempt to colonize space, but what about Venus? Could we live here ...

Up to 150 Geminid meteors may brighten the night sky each hour as the shower hits its peak on Dec. 13-14, according to the ...

A sleep-inducing molecule humans use to make proteins was found, along with other amino acids, on an asteroid named Bennu.