Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

Ralph Waldo Emerson once penned the words “If the stars should appear one night in a thousand years, how would men believe ...

Astronomers in Hawaiʻi detected the solar system's third interstellar object, C/2025 N1 or 3I/ATLAS, which poses no threat to ...

On July 1, 2025, a telescope in Chile detected something unexpected: a faint object streaking across the sky at an unusual ...

According to CNN, the camera’s full field of view for one image spans up to 400 high-definition television screens. The data ...

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

Most supernovae result from the dramatic collapse of massive stars, but one important type comes from a more modest origin.

Scientists are still trying to understand how galaxies formed and evolved from primordial gas clouds into the organized ...

Psyche, spanning 173 miles (280 km) at its widest, stands out in the asteroid belt. Long thought to be the exposed metallic ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...