• Updated

Asteroid 2002 NN4 is expected to make a close flyby of our planet this weekend. The size of this asteroid was enough to grab NASA's attention.

Most Popular

The clock is ticking! We're just hours away from the first launch of astronauts from U.S. soil in nine years. Here's a look ahead at today's S…

Get up-to-the-minute news sent straight to your device.


News Alerts

Breaking News