My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far ...

One of the asteroids will come as close as within 120,000 miles from the Earth, soaring past at over 41,000 miles per hour.

The sun has released several powerful M- and X-class solar flares over the past few days, resulting in radio blackouts around ...

The main reason for the variation is that Earth and Mars travel around the Sun at different speeds and distances.

The idea of an asteroid striking the Earth is quite alarming to most of us – after all, it was the impact of a massive ...

Setting of the sun often signals a time to rest, recharge, or reflect. But what if the sun remained a constant presence, ...

Nasa warns of huge solar flares causing blackouts on Earth - The Sun’s most active region is turning to face Earth, bringing ...

From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

"If there's two, we're pretty confident that's a population." Earth travels through and with a cloud of debris as the planet makes tracks around the sun. Some of that material is human-made — ...

GOES-19 satellite captures breathtaking footage as a towering solar filament erupts over the sun's eastern limb.

Space agencies deem there is no risk of collision with Earth The post Stadium-sized asteroid to pass by Earth appeared first ...