In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

Earth is floating in a vast void in space, according to new findings. Not only our planet, but the entire Milky Way galaxy could be sitting inside a mysterious giant hole in space, astronomers have ...

Scientists have proposed Earth is in the middle of a huge void in space, potentially resolving the cosmic mystery known as ...

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

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest ...

Images of the cosmos, such as the James Webb Space Telescope’s deep space snapshot, make space look chock-full of stuff. In the grand scheme of things, it is, but all those stars, galaxies, planets, ...

The idea that gravity shapes the universe into nicely bounded superclusters is being overturned by a finding so gargantuan ...

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

Space enthusiasts are tracking Asteroid 2025 MM. It is airplane-sized. It will safely pass by Earth this week. The asteroid ...

Fireballs fall on the Earth every day—but the one that just streaked across the southeastern U.S. this week was unlike the ...

Sightings have come from Georgia, South Carolina, North Carolina and Tennessee. The National Weather Service station in Charleston noted the reports, saying that "satellite-based lightning detection ...