When a NASA scientist finally cracked open a cache of 50-year-old lunar soil, the expectation was to refine old models, not ...

On January 25, 2004, NASA's Opportunity rover landed on Mars! This was the second of NASA's twin Mars Exploration Rovers to ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

Webb’s breathtaking view of the Helix Nebula shows a dying star’s final breath becoming the seeds of future worlds.

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

Using NASA’s James Webb Space Telescope, astronomers from Seoul National University and other international institutions have been able to answer a question that has puzzled scientists for years about ...

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...