"The telescope is kind of like a great big flashlight where you're turning it on and turning it off."
Events like these occur dozens of times each year. Why was this one special?
The meteorites may have come from a potentially habitable asteroid.
They expected it to be like a bunch of other meteorites they'd seen—and stumbled on a puzzle instead.
Thanks to incredible scientific technology, we're spotting more and more asteroids every year.
It’s dark, it looks like a skull and it made its last close approach on Halloween 2015. What is the universe trying to tell us?
This may be how life on Earth began.
"We cannot discount the possibility that it really is a spacecraft."
“This thing is very strange.”
You have never had luck this terrible.
You will not get another chance to see Florence in centuries but you have some very good options this weekend.
The Chinese have plans to hunt, mine and even build a space station on asteroids, but are decades away from most ambitions.
This shoebox-sized spacecraft could transform the way we store and use energy.
A little-known band of scientists are scanning the sky for killer asteroids and drawing up plans to save the world.