The year 2024 had major space events including a total solar eclipse and historic moon landing. There were moments, though, that reminded us how challenging space exploration can be. Here are the US's ...

(NASA/CXC/Meiji Uni/CXC/SAO et al via SWNS) By Dean Murray An explosive new space image reveals a star's inner conflict hours before it blew up. The picture shows the inside of a star turning on ...

In just a few days from now, NASA will oversee the final moments of its groundbreaking OSIRIS-REx mission, which marks the first time for the agency to bring back rock samples collected from a distant ...

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

For the first time, NASA has used laser communication to send 4K video from a plane to the International Space Station (ISS) and back again. The rest of this article is behind a paywall. Please sign ...

A Pilatus PC-12 aircraft equipped with a portable laser terminal transmitted 4K video to the International Space Station and back. "Laser communications use infrared light to transmit 10 to 100 times ...

Why it matters: Space is glorious. However, off-planet video footage is typically a pixelated mess that kills all the fun. That may be about to change. NASA has managed to stream 4K ultra-HD video ...

The average household in the United States enjoys a reasonably fast internet speed of 245 Mbps, which translates to 30 megabytes per second. This kind of internet speed makes light work of new games ...

An explosive new space image reveals a star's inner conflict hours before it blew up. The picture shows the inside of a star turning on itself in the short time before it spectacularly exploded, ...