The waxing gibbous moon will appear close to Saturn in the southeastern sky at sunset on Nov. 29 as Neptune lurks unseen nearby.

The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of ...

The waning moon shines close to the king of the planets on Dec. 7.

Perhaps it's time to rebrand.

Lowell Observatory astronomer Dr. Qicheng Zhang has captured the first ground-based optical images of Comet 3I/ATLAS ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the ...

Astrophotographer Andrew McCarthy captured an awe-inspiring photograph of a skydiver’s silhouette in front of the sun.

Taking high-resolution pictures of stars in space has been considered a serious struggle for decades, and a new discovery was ...

A new, exciting chapter has begun at the University of Hawaii 2.2-meter telescope. The University of Hawaii Institute for ...

When a gas is highly energized, its electrons get torn from the parent atoms, resulting in a plasma—the oft-forgotten fourth ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...