During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

This milestone was achieved using its low Earth orbit satellite, Blue Walker 3 (BW3), which was launched aboard a SpaceX Falcon 9 rocket in September 2022. Since its inception, AST SpaceMobile has ...

Additionally, interstellar civilizations will be able to detect artificial structures we've launched into space, like satellites orbiting Earth, or spacecraft on the Moon or Mars. These are ...

Not quite high-altitude planes and not quite low-orbiting ... satellite-based communications. If you want to send something into orbit, you have to decide how high your satellite is going to fly ...

If the near-Earth asteroid Bennu were to collide with Earth in the future, the space rock could cause substantial global damage, even though it’s a fraction of the size of the asteroid that ...

A recently released animation shows a new look at a large asteroid that has a small, but significant, chance of impacting planet Earth in seven years. The animation, provided by the NASA-funded ...

Space debris from rocket bodies orbiting Earth is posing an increased threat ... this image comprised of multiple exposures shows a satellite-filled sky. Alan Dyer/UIG via Getty Images, FILE ...

It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than one percent chance of colliding with Earth in about eight years. Such an impact ...

However, they became stranded when the Boeing Starliner capsule that delivered them to the station experienced multiple leaks, temporarily forcing it out of commission. The astronaut pair could now ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A recently ...

A person who died by suicide near the campuses of the Syracuse VA Medical Center and Syracuse University in upstate New York was reportedly wrapped in a Trans Pride flag. Little is known about the ...

Mission commander, U.S. astronaut Peggy Whitson, who has rich experience in space travel, is taking the necklace that she ...