The Curiosity rover has found deposits of carbonates on Mars. It's evidence for an ancient carbon cycle and could explain what happened to Mars' atmosphere.
The massive wildfire in New Jersey - which began burning in Ocean County yesterday - has burned thousands of acres, forced evacuations and closed roads.
The Lucy spacecraft is heading to Jupiter's Trojan asteroids. But now it made its 2nd asteroid encounter with the main-belt asteroid Donaldjohanson on April 20.
Astronomers have discovered the most distant known spiral galaxy. It's thought be similar to what our own Milky Way galaxy looked like, 1 billion years after the Big Bang.