It was ‘imported’ from space via a meteorite impact.
Fake killer asteroid destroys New York City in NASA planetary defense simulation
Don’t panic — this is just a drill.
Half of all water in the oceans may have come from ancient asteroid collisions
The mystery of Earth’s water may have been solved by a team of Japanese researchers.
NASA and partners will be holding an asteroid impact exercise at conference next week
Duck and cover!
Japanese probe blasts the first artificial crater on an asteroid
The blast might help scientists answer fundamental questions about the solar system’s formation.
This new approach to spotting incoming asteroids should keep our planet safe
“With the [new method] we can spot objects regardless of their surface color, and use it to measure their sizes and other surface properties,” said the researchers.
Astronomers spy self-destructing asteroid with a twin comet-like tail
A well-known asteroid is spectacularly disintegrating before astronomers’ eyes.
New photos from asteroid Bennu reveal stunning surprises
We have a shuttle in outer space, orbiting and asteroid and beaming back data and images. Still seems pretty incredible.
What’s the difference between an asteroid and a meteorite?
The meteorite only lives as it is falling.
‘Oumuamua, our first interstellar visitor, is actually smaller than we thought
The small asteroid also seems to be emanating streams of gas that may explain why it was moving faster than it was supposed to.
Key ingredient for life on Earth may have come from outer space
Phosphates forged in space made their way to Earth on comets and asteroid.
Japanese rovers beam back more awesome pictures from asteroid’s surface
You can see how the sun moves across the asteroid’s horizon.
History in the making: Japan lands two rovers on asteroid
This could give insights on the birth of the Earth, and even the solar system.
Earth may have ‘mini-moons’ that could answer some interesting astronomy
The moon is Earth’s only permanent natural satellite, but it may be in the company of tiny asteroids trapped in the planet’s orbit.
Most objects in the asteroid belt come from a handful of wrecked ancient planets
Asteroids have families too.
NASA updates its plan to deflect dangerous asteroids
It’s the “small” asteroids that we really need to be preparing for.
Life bounced back quickly at the famed dinosaur-ending asteroid impact site
We don’t know much about how life bounces back after such a dramatic event.
New evidence backs up existence of mysterious ‘Planet Nine’ in the outer solar system
An elusive planet ten times more massive than Earth may be lurking in the outer fringes of the solar system.
Astronomers find the first permanent “immigrant” in our solar system
I don’t think any wall can keep this guy out.
“Exiled” asteroid shouldn’t be where it is
How did it get there?
