The creation of the belts, and others like it in the future, are a potential new danger to astronauts and satellites headed ...

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...

Mercury takes only 88 Earth days to orbit the sun.

Intense solar flares—sudden bursts of electromagnetic radiation from the Sun—can shoot out hazardous levels of energy strong enough to reach Earth’s atmosphere. Predicting solar flares, ...

It's a key problem that will need to be addressed if humans are to attempt deep-space, long-duration missions. Not only is radiation exposure a dangerous health risk to humans, but it also poses a ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...

For Sun dogs to appear, you need sunshine and ice crystals suspended in the atmosphere ... that amount of 22 degrees from a previous Hey Ray about halos. The hexagonal ice crystals that refract ...

A new study finds that the rate of ocean warming has more than quadrupled over the past 40 years—and pinpoints why.

An asteroid could hit Earth, but scientists are continuing to gather data to understand its trajectory and potential impact ...

Scientists have discovered that the Earth’s atmosphere is getting better at removing air pollution, including methane, one of the most powerful greenhouse gases. This new research, published in Nature ...