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

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

Bennu samples reveal biological sugars, a strange, gum-like material, and ancient stardust that shed light on the early solar ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

Scientists observing the interstellar comet 3I/ATLAS are reporting unprecedented methane-related activity and carbon-rich chemistry, identifying a set of prebiotic molecules never before seen in an ...

SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation ...

Studying samples from the Bennu asteroid, researchers have found sugars essential for biology, stardust and ... something ...

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

NASA’s OSIRIS-REx mission brought back pristine pieces of the asteroid Bennu in 2023—and these tiny grains are turning out to ...