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

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

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.

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

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

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

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

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

Solar storms that fling magnetism across the solar system can knock out satellites, power grids, communication and navigation systems, and endanger astronauts in space. Scientists can observe these ...

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