Stratolaunch completed two flights of its autonomous Talon-A2 rocket plane earlier this year, as the US aims to gain ground ...

Mach 10, ten times the speed of sound, would be about 7,600 mph. It hasn't been reached yet, but could a pilot even survive ...

This is the first time anyone in the United States has flown a reusable hypersonic rocket plane since the last flight of the ...

Stratolaunch tests reusable hypersonic rocket plane. Stratolaunch has finally found a use for the world's largest airplane.

The South Texas home of Elon Musk’s SpaceX rocket company is now an official city with a galactic name: Starbase.

WASHINGTON - President Donald Trump on Friday released a $1.7 trillion partial spending plan for the next fiscal year that ...

NASA has released three new pieces of cosmic sound that are associated with the densest and darkest members of our universe: ...

Have you ever had an X-ray taken of your bones? Well, so has the Milky Way. NASA's Chandra X-ray Observatory regularly images ...

Astronomers are unraveling the mystery behind Ansky, a black hole system emitting powerful, repeating X-ray bursts called ...

The blazar BL Lacertae, a supermassive black hole surrounded by a bright disk and jets oriented toward Earth, provided ...