A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Scientists have found that time passes slightly faster on Mars than on Earth, a difference caused by gravity and orbital ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Harvard physicist Avi Loeb raises concerns as interstellar object 3I/ATLAS makes its closest pass to Earth later this month.

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Scientists find that time on Mars runs 477 microseconds faster than on Earth, a discovery that could enhance deep-space communication and future exploration ...

NASA’s ESCAPADE mission launched two small, affordable orbiters to Mars on Blue Origin’s New Glenn rocket. Discover how these ...

An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...

Uranus sits far beyond the orbit of Saturn, yet its smallest moons are suddenly at the center of a quiet revolution in outer ...

Two icons of discovery, NASA's James Webb Space Telescope and NASA's Curiosity rover, have earned places in TIME's "Best Inventions Hall of Fame ...

When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found something astonishing. Get any of our free daily email newsletters — news ...