Comet ATLAS (C/2024) G3 could be set to wow sky-watchers at the beginning of 2025.
The huge solar flare may be the last big explosion from the sun this year.
Satellite imagery from NASA and the European Space Agency reveal 13 years of melt on the Greenland Ice Sheet.
Sun pulses with several solar flares late Christmas Day with four M-class flares from sunspots within a few hours.
A NASA spacecraft has survived a historic close fly of the sun. The mission team received a beacon tone from the Parker Solar Probe, signaling it was still functioning after the record approach.
We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle.
The spacecraft made the closest ever flyby if the sun on Christmas Eve, but it's been silent since Dec. 20.
Trillions of tons of hydrogen gas are likely buried in rocks and reservoirs beneath Earth's surface, but researchers aren't sure where it is yet.
A pair of massive thunderstorms have been spotted swirling in Jupiter's "South Equatorial Belt" and are likely unleashing massive bolts of green lightning. Some experts think the pale clouds could end up altering the rusty band's color — and potentially even making it "disappear."
Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.