U-M astronomy is helping understand this fast, old and large comet that was born outside our galactic neighborhood This diagram shows the trajectory ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m).

Around a Sun-like star just 1,300 light-years away, a family of planets has been seen in its earliest moments of conception.