NASA’s new electric propulsion engine set a U.S. power record and could transform future Mars missions. The thrusters use ...

Cross this space, swim to the next opening, then swim down. At the bottom of this shaft, you’ll find the final room of the ...

Discover Japan's Mach 5 hypersonic engine. We explain the JAXA Kakuda Space Center ramjet test that could make 2-hour flights ...

Starship launch: What to expect from SpaceX’s most high stakes rocket test today - Today’s Starship flight test is being ...

This space exploration video takes viewers on a cinematic voyage through spectacular alien worlds, using a futuristic star ...

It’s hardly the most outlandish detail of an otherwise average guy on the show, but the detail is actually less important ...

WASHINGTON — President Donald Trump says the Pentagon is preparing to release some “very interesting” UFO files uncovered by his administration, generating a mix of buzz and skepticism as he hints at ...

WASHINGTON (AP) — President Donald Trump says the Pentagon is preparing to release some “very interesting” UFO files uncovered by his administration, generating a mix of buzz and skepticism as he ...

Westport is debuting its high-pressure CNG fuel system with Cespira HPDI technology on a Volvo VNL 300 at ACT Expo. Another high-horsepower natural-gas engine system may soon be available from ...

Happy Alien Day! And no, not for any supposed extraterrestrial beings watching from the shadows of our solar system, but for the iconic franchise that first began back in 1979. It ...