This near-Earth asteroid is 4.2 billion years old and nearly indestructible
By analyzing just three dust particles, researchers learned that the rubble pile asteroid Itokawa is 4.2 billion years old and hard to kill.
Rare Martian meteorite is full of complex carbon molecules
A 650-million-years-old meteorite found in Africa shows the rich and complex chemistry that once happened on Mars.
Jupiter’s hot “pizza moon” may contain life
Jupiter’s moon Io is thought to be inhospitable, but new data suggests life could exist underground, perhaps in lava tubes.