NASA was recently tracking a large asteroid, known as the "city killer," after finding a small chance of it hitting Earth in 2032. NASA says it "no longer poses a significant threat" in an analysis, ...

The Houston-based company is poised to land its Athena spacecraft on the moon at 12:30 p.m. ET. The landing site closer to the lunar south pole than any human or vehicle has traveled before.

"Based on telemetry before the loss of signal last week and ground-based radar data collected March 2, the team believes the ...