A massive asteroid has a chance to hit Earth. Here's what to know.
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...
Martian lava rocks shed light on critical period of red planet's history
No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the red planet never gets old for Mariek Schmidt.
A "city-killer" asteroid has a slim chance to crash into Earth. Here's what to know.
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said.
Could aliens spot humans on Earth? These 12 signs might reveal human life from 12,000 lightyears away – here’s how
SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...
Dreams of asteroid mining, orbital manufacturing and much more
Orbital manufacturing. Private space stations. Moon buggies. Exploring Mars. All are there, alongside the more humdrum (if ...