North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern hemisphere. This week: bright planets at dusk and dawn ...

The European Space Agency’s Euclid telescope was built to study dark matter and dark energy, but for one day last year, it captured the densely packed stars brightening the center of our galaxy ...

Euclid is on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

Planets, shooting stars and more will be visible in the California sky in July.

The ESA's dark universe spacecraft Euclid has studied the heart of the Milky Way, creating the largest and most detailed ...

The Euclid space telescope's stunning photo of our galaxy's “crowded heart” captures more than 60 million stars.

The video ranks the biggest cosmic threats to humanity, from rogue planets and black holes to supernovas, gamma ray bursts, ...

The Milky Way keeps its planets close to its chest. Stars in a thin, flat disk bisecting the galaxy have more planets on average than stars in a thicker, enveloping disk — and astronomers now think ...

A predawn Moon-and-planets meetup, a returning comet, a great chance to see the Milky Way, and Saturn's rings at a new angle.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers have turned their attention to the evolution of metallicity in the Milky ...