Heliostats that harness sunlight by day could help detect asteroids by night, offering the U.S. a scalable planetary defense ...

Along with launching two NASA probes, the SpaceX Falcon 9 rocket carried five other satellites into orbit with goals ranging ...

You’d think we’d have the solar system pretty well figured out by now. It’s our own cosmic backyard, after all. […] ...

The moon's thin atmosphere, called an exosphere, has been a puzzle to science for some time. Two main processes were thought ...

The same charged particles from the Sun’s atmosphere responsible for the northern lights can also damage Earth’s electrical and communications systems.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

The Proba-3 spacecraft succeed at creating solar eclipses, kicking off a two-year mission to study the sun’s mysterious outer atmosphere, the corona.

A violent solar eruption on May 31 launched a coronal mass ejection (CME) hurtling toward Earth, triggering a rare G4-level geomagnetic storm alert. Captured in real-time by U.S. Naval Research ...

New research suggests that heightened solar activity shortens the lifespans of SpaceX’s Starlink satellites, and may send them careening back to Earth at greater velocities. Perhaps ...