A massive extraterrestrial craft slamming into the Pacific and triggering a United States Navy response sounds like a ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

A collision would occur in just 2.8 days if all satellites lost their ability to dodge each other, highlighting how crowded Earth’s orbit is becoming. In the past seven years, the number of satellites ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ever will. The impending cosmic rendezvous – if you want to call it ...

'Alien vs. Predator' fans should never give up hope for another crossover, just don't expect it to go down in 'Alien: Earth.' Reading time 1 minute Now that we know Alien: Earth is getting another ...

SpaceX notched a number of other milestones during this very busy year. For example, the company pulled off its 500th rocket ...

Scientists confirmed the object originated outside our solar system due to its high speed and trajectory. The comet poses no danger and will pass about 170 million miles from Earth. While not visible ...

Called DiskSat, the plate-shaped spacecraft could offer more power and surface area for instruments and provide more opportunities for NASA to expand mission objectives for small spacecraft.