The largest-known piece of Mars ever found on Earth is going up for auction on Wednesday and could fetch as much as $4 ...

Students in Southern Florida will have the chance Monday, July 14 to hear astronauts on the International Space Station ...

Now, NASA has released remarkable video captured during the historic flyby, offering the closest views of the sun ever ...

By flying closer to the Sun than ever, Parker Solar Probe reveals the chaotic birthplace of solar wind and space storms, ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of ...

Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

NASA's Parker Solar Probe made history with the closest-ever approach to the sun last December, and we're finally getting a look at some of the images it captured. The space agency released a ...

What is the Solar System truly like? In this video, we take a closer look at real images captured by NASA and other space agencies, showcasing our planets and the vast beauty of the Milky Way without ...

Earth has rarely looked as remarkable as it does in this stunning shot (above) captured by NASA astronaut Don Pettit from the International Space Station (ISS).

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...