Several city- and state-sized asteroids impacted young Earth. Probably.
It's been so long since then that direct evidence simply isn't around any more.
Tag: asteroid
China wants to practice deflecting an asteroid with rockets
Not everyone is thrilled, though: one such rocket recently plummeted back to Earth in uncontrolled re-entry.
A new study provides our best-yet prediction of what a metallic volcano might look like
If you like volcanoes, Earth isn't a bad place to live on. After all, our planet is quite geologically active, ...
The oldest meteorite ever found is older than the Earth itself
It's so ancient it could help us understand the building blocks of planets.
The dinosaurs may have been wiped out by a comet fragment, not an asteroid
Astronomers have proposed a novel theory that explains the demise of the dinosaurs.
Six asteroids to pass close to Earth tomorrow, says NASA
The closest one should pass around the same distance the Moon orbits at.
2020: A Year in Space
Despite the global pandemic that has brought much of the world to a grinding halt, space scientists have continued to ...
Water could be a natural byproduct of rocky planets forming — so it could be almost everywhere
This would be very helpful.
NASA’s asteroid sampling mission ran into a problem: they sampled too much asteroid
Suffering from success.
NASA makes history, harvests its first sample from an asteroid
Getting excited over a handful of dirt is sometimes very warranted.
American probe is one month away from touchdown on asteroid Bennu
Hopefully it's better at parallel parking than I am.
Meteorites might have helped create life on Earth (and beyond)
They killed the dinosaurs but might have also kicked off life as we know it.
Massive 800-million-year-old asteroid shower on Earth left dozens of huge craters on the moon
Any sign of this ancient onslaught has been erased from the surface of Earth, but the moon still has the ...
Asteroid that killed the dinosaurs hit at “deadliest possible” angle
During an asteroid impact, angles matter.
Playing Asteroids is No Game: Humanity’s Future Could Depend on Diverting Asteroid Impacts
It isn't hyperbole to say, the survival of our species may depend on a sucessful method of preventing an asteroid ...
NASA reports asteroid to pass close to Earth tomorrow, might ‘airburst’
No need to fear it -- just don't look at it.
Researchers may have spotted the smallest dwarf planet in the solar system
Small but significant.
Hubble spots our second interstellar visitor — a comet
"It's traveling so fast it almost doesn't care that the Sun is there."
Scientists reconstruct the first 24 hours of dinosaur-killing asteroid impact
Molten rock shooting for the moon, huge tsunamis hundreds of feet tall, and global wildfires were triggered immediately after the ...