The confirmation of the gas giant planet would mark a milestone as the closest planet to Earth that orbits in a habitable ...

After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

Space weather experts warn that a moderate-strength geomagnetic storm could hit Earth Friday or Saturday (Aug. 8 or 9) — ...

At these distances, the satellites remain within Earth’s protective magnetic shield and can reliably measure the planet’s ...

Solar and wind power are almost too cheap for our economy,” says author Bill McKibben, arguing the switch from fossil fuels must happen soon.

New data from the James Webb telescope reveals that Pluto's strange atmospheric haze controls its climate, surprising ...

The coronal mass ejection hurled from an active sunspot launched a bit sidewise, which lowers the odds of seeing the effects ...

CAPE CANAVERAL, Fla. (AP) — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.