An asteroid that experts say is about as big as two Empire State Buildings is expected to come within 1,231,184 miles of Earth on Jan. 18.
The space agency has ruled out any chance of a particularly menacing asteroid called "Apophis" smacking Earth in 2068.
A new study says the mystery object is likely a remnant of a Pluto-like world.
The largest and fastest asteroid of the year will zoom past in a week.
Scientists hope the samples will provide insight into the origins of the solar system and life on Earth.
The televangelist peers into the future and it gets really dark in a hurry.
1998 OR2 appears to know the planet is facing the coronavirus pandemic, researchers joked.
Captured "mini moons" have long been theorized. This is just the second one that's been spotted.
Binary asteroid system 1999 KW4 poses no threat of collision with our planet, scientists say.