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.

As the Solar System drifts through the Milky Way, it occasionally encounters regions of space capable of reshaping Earth’s ...

After weeks of relative quiet, the Sun has erupted with a series of powerful solar flares, signaling a return to more active ...

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

Proba-3 creates artificial solar eclipse to study Sun's corona. Two ESA satellites fly in precise formation to reveal the sun ...

An active sunspot could give photographers another reason to photograph the night skies this weekend. A solar flare that hit ...

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

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.

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

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