Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.

Comet Lemmon, a rare astronomical event that won’t happen again for 1,000 years, is set to light up our skies later this week ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

In a new weekly update for pv magazine, Solcast, a DNV company, reports that September was dominated by a persistent high-pressure system centered over Eastern Europe. This atmospheric blocking ...