It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Interstellar comet 3I/ATLAS sheds millions of tons of water as it leaves our solar system. New radio scans find no signs of ...

What is the behavior of modern space science when a visitor of another star system arrives measuring it during silence, or describing it in noisy terms? The longest lasting fascination in the case of ...

Saturn’s largest moon has long looked like a frozen time capsule of early Earth, but a new set of measurements has upended ...

In late November, Kelly (D-Ariz.) and five other Congressmen who have served in the military participated in a 90-second ...

Strange grooves, swirling valleys, and hidden ice far from Mars’s poles reveal a surprisingly recent ice age, as new ESA ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...