Tag: comet

Ancient fossils show how the last mass extinction forever scrambled the ocean’s biodiversity

PALEONTOLOGY
About 66 million years ago—perhaps on a downright unlucky day in May—an asteroid smashed into our planet. The fallout was immediate and severe. Evidence shows that about 70% of species went extinct in a geological instant, and...

Fossils show colonies of reptiles lived communally 250 million years ago

PALEONTOLOGY
A fossilized colony of small burrowing reptiles that lived some 250 million years ago was recently found in South Africa. It's the first time that the Procolophon trigoniceps, which lived in the lowlands of what was...

Once in 50,000-year comet may be visible to the naked eye

ASTRONOMY
A newly discovered comet could be visible to the naked eye as it shoots past Earth and the Sun in the coming weeks for...

Scientists show how terrain evolves on an icy comet

ASTRONOMY
With an eye toward a possible return mission years in the future, Cornell astronomers have shown how smooth terrains—a good place to land a...

The comet that killed the dinosaurs

ASTRONOMY
It was tens of miles wide and forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it’s...

Largest comet ever seen has a heart ‘blacker than coal,’ and it’s headed this way

ASTRONOMY
Astronomers have measured the icy heart of one of the largest comets ever discovered — a gargantuan, 4 billion-year-old rock that's currently barreling toward...

Recent articles

spot_img

© Geology Science 2021