We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

The 47% budget cut would obliterate NASA's science program, experts say.

Scientists have proposed a wild new theory at the Royal Astronomical Society's National Astronomy Meeting (NAM) in Durham - Earth, along with the entire Milky Way galaxy, may be situated within a ...

As the administration slashes spending on science, NASA is running low on new missions.

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

The FTC on June 25 announced it granted an early termination of its probe into the nearly year-old Mars-Kellanova transaction. Earlier in the day, the EC — the executive branch of the European ...

NASA ’s Curiosity rover has captured the first-ever close-up images of strange, spiderweb-like rock formations on the surface of Mars. These formations offer new clues about the planet’s ...

NASA’s Perseverance rover has captured new images of multiple "dust devils" (twisters) on Mars. The snaps have been taken by the Perseverance rover exploring the rim of Jezero Crater on Mars ...

Our universe is expanding and that inflation can be measured both optically and via microwaves. In the 1920s, Edwin Hubble observed a surprising discovery that galaxies accelerate as they move ...

"Honestly, it's been a little devastating," Kevin Hardegree-Ullman, a scientist at the NASA Exoplanet Science Institute at ...

Thin water-ice clouds that are apparent in ultraviolet light give the Red Planet a frosty appearance. The icy northern polar ...