An X2.1 solar flare erupted from the prolific sunspot AR 3842 on Monday (Oct. 7), triggering radio blackout across North and South America.
Comet C/2023 A3 Tsuchinshan-ATLAS will reach perihelion — and if it survives its close call with the sun, we may be in for a real treat.
Hurricane Helene slammed into Florida's Gulf Coast overnight Thursday (Sept. 26) with satellites capturing striking views of a colossal storm.
'Oumuamua, an oddly shaped asteroid from beyond our solar system, recently passed by. It may have formed when a planet was ripped into fragments by its star
Saturn’s moon Enceladus seems to have a sandy core that warms water passing between the grains. This heating could help create conditions that are right for life
One of the weirdest comets we’ve seen formed from tiny pebbles that trace back to the start of our solar system – which may tell us more about how planets are made
In Martian summer, the combination of warm temperatures and a thin atmosphere make any liquid water on the surface boil, which can let dust hover across the ground
An icy comet just hurtled past the sun on a strange path that suggests it came from outside our solar system, making it the first such interloper we've ever spotted
Don’t feel so bad for losing your keys. Astronomers somehow lost a huge space rock first seen 22 years ago – and it’s far from the first cosmic object to go missing
The tiny world Haumea has a ring, the most distant we’ve found in our solar system. This may mean rings encircle other far-off worlds in the solar system
