For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

“We find that both exhibit strong linearly increasing trends, coupled with a large surge in magnitude between 330 and 220 ...

Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of Hawaii.

Could a rogue star disrupt our peaceful solar system? Scientists are keeping a close eye on the galactic neighborhood, and ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

New images are key to understanding solar magnetic storms and other space weather that can disrupt systems on Earth.

Summer officially begins in the Northern Hemisphere on June 20 with the summer solstice, the day with the greatest amount of ...

Spurred by rising utility bills, St. Peter’s-San Pedro Episcopal Church in Salem, Mass., looked for alternatives. Its “Heaven ...

Well, the verdict is in. The Moon is not made of green cheese after all.

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...