The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own solar system. Ancient Mars, the vast subsurface oceans of Europa and ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech US judge throws out immigration board's ruling endorsing Trump mass detention ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond our planet.

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

This week, authorities in Albuquerque continue searching for clues in the mysterious disappearance of retired U.S. Air Force Major General William Neil McCasland.

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA.

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...