Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

Indonesia’s rumbling Mount Lewotobi Laki Laki has erupted with a column of volcanic materials as high as 11 miles into the ...

That complexity could mean bigger fireworks ahead. With the sunspot now rotating to face Earth, it could pose a threat for stronger space weather events in the coming days. M-class flares, like those ...

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

Explore the jaw-dropping astro images shortlisted for this year's competition, and let's guess who might take home the ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.