Until now, everything we know about Earth's innards has come from stitching together different seismographs created from ...

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...

Comet G3 ATLAS, visible tonight after 160,000 years, offers a rare celestial spectacle. Reaching peak brightness, it’s best ...

President-elect Donald Trump's remarks about Canada, Denmark, and Panama stirred reaction from readers.

Sitting in the middle of the Iranian plateau, the Dasht-e Kavir, or Great Salt Desert, is the planet’s 24th largest desert.