A launch window is the span of time when a rocket can lift off and still reach its planned target in space. And it's not just ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked ...

From start time to streaming info, here’s how to watch Skyscraper Live on Netflix. The event begins on Friday, January 23 at 8:00 p.m. ET. on Netflix. Yes! This unpredictable event will be available ...

In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic.

Four astronauts returned safely to Earth early on Thursday after an undisclosed serious medical condition affecting one of ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...

Live updates from the return of the NASA SpaceX Crew-11 astronauts. Splashdown occurred at 3:41 a.m. Jan. 15 off the coast of San Diego.

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

After an unidentified astronaut suffered a medical issue, NASA made the call to return Crew-11 early from the ISS. Here's ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Artist's interpretation of an ancient total solar eclipse. This illustration is based on artistic imagination and does not represent the exact appearance of the eclipse recorded in 709 BCE. An ...