Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

Astronomers using the NASA and European Space Agency’s Hubble Space Telescope have identified what appears to be a ...

This deck of cirrocumulus clouds passing over Newport was stunning back on July 29. Typically, high and mid-level clouds make ...

Only a small fraction of the observable universe is comprised of visible matter. Current data suggests all galaxies are ...

Find out what's up in your night sky during January 2026 and how to see it in this Space.com stargazing guide.

The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico.

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

CES 2026 is here. Think of CES like a harbinger of what’s next in technology. Every January, the industry descends upon Las ...

Researchers using China’s “artificial sun” fusion reactor have broken through a long-standing density barrier in fusion ...

Applied optics is a branch of optics and photonics that specifically focuses on using light for practical purposes. Such uses include collecting light from the sun and converting it to electricity, ...

Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high-energy ...

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...