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 ...

A void in universe? Earth and the Milky Way are lying in a large void in space, a study has stated. Researchers backed it up ...

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 ...

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 ...

Video shows fireball meteor explode in broad daylight. How rare is this cosmic phenomenon? Fireballs fall on the Earth every day—but the one that just streaked across the southeastern U.S. this ...

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

The COSMIC-2 mission is a follow-on mission of the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) with an upgraded payload for improved radio occultation (RO) ...