Tag: asteroid

NASA’s Lucy spacecraft discovers 2nd asteroid during Dinkinesh flyby

ASTRONOMY
On Nov. 1, NASA's Lucy spacecraft flew by not just its first asteroid, but its first two. The first images returned by Lucy reveal...

An asteroid came uncomfortably close to Earth in July. Could we have stopped it?

ASTRONOMY
In July of this year, an asteroid roughly 30 to 60 meters across passed Earth to within one-quarter of the distance to the moon....

Asteroid dust caused 15-year winter that killed dinosaur

PALEONTOLOGY
Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including...

Sensitive instruments to explore metal-rich asteroid

ASTRONOMY
At the very center of the Earth is a core of metal—so hot and so deep down as to be unreachable and impossible to...

NASA asteroid sample contains life-critical water and carbon

ASTRONOMY
A sample collected from the 4.5-billion-year-old asteroid Bennu contains abundant water and carbon, NASA revealed on Wednesday, offering more evidence for the theory that...

6 things to know about NASA’s asteroid-exploring Psyche mission

ASTRONOMY
The first-ever mission to study a metal-rich asteroid, Psyche aims to help scientists learn more about the formation of rocky bodies in our solar...

Asteroid rocks may hold secrets to the origin of the solar system

ASTRONOMY
Early Sunday morning, NASA's OSIRIS-REx spacecraft released a container that subsequently landed in Utah containing material from Bennu, a carbon-rich asteroid in the solar...

Fossils show widespread plant extinctions after asteroid wiped out dinosaurs

PALEONTOLOGY
Sixty-six million years ago, an asteroid the size of San Francisco crashed into a shallow sea off the coast of modern-day Mexico and plunged...

NASA readies for dramatic return of asteroid sample to Earth

ASTRONOMY
The climactic end of a seven-year voyage comes Sunday when a NASA capsule is due to land in the Utah desert, carrying to Earth...

Largest asteroid sample ever collected is coming down to Earth

ASTRONOMY
Chunks of asteroid that could tell us about the earliest days of the 4.5 billion-year-old solar system and the possible origins of water on...

An asteroid killed the dinosaurs, allowing mammals to dominate Earth, but why?

PALEONTOLOGY
Almost 66 million years ago, an asteroid struck the Earth, killing all non-avian dinosaurs and allowing mammals to dominate. But just how did we evolve...

New evidence suggests the world’s largest known asteroid impact structure is buried deep in southeast Australia

EARTH
In recent research published by myself and my colleague Tony Yeates in the journal Tectonophysics, we investigate what we believe—based on many years of...
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