NASA scientists have reported an unusual signal in near-Earth space, describing a phenomenon they have not previously observed so close to our planet. The finding, while still being analyzed, ...

In the sky that looks pitch black, the Earth's atmosphere is quietly glowing—When you look up at the night sky, you can see the moon and stars, right?In places with little city light, the sky looks ...

Mysterious luminous phenomena that flash for an instant above storms~When you think of lightning, you probably imagine it striking from the sky toward the ground with a "rumble and a flash!"However, ...

The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close enough to Earth to temporarily enter its orbit at the end of the month, a phenomenon ...

Any of us could find ourselves witnessing Earth's most terrifying natural phenomena. Ghosts and specters inspire fascinating stories and horror movies.

Add Yahoo as a preferred source to see more of our stories on Google. A NASA astronaut drifting high above Earth recently managed to capture a rare phenomenon that scientists have been working to ...

Two University of Alaska Fairbanks scientists have discovered a new type of "whistler," an electromagnetic wave that carries a substantial amount of lightning energy to the Earth's magnetosphere. The ...

For the first time, scientists have detected a magnetic switchback near Earth, unveiling a phenomenon that has only been observed closer to the Sun. This groundbreaking discovery opens a new chapter ...

Watch the 6abc Philadelphia 24/7 stream featuring Action News, AccuWeather and Entertainment The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come ...