Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.

Mars starts May not far from the Beehive star cluster, Venus is unmistakable in the predawn sky, and Mercury looks best early ...

Major survey results now hint that dark energy has evolved across cosmic history, raising questions about the standard model ...

PSR J0311+1402 flashes every 41 seconds — quite slow for a pulsar. It could help bridge the gap between fast- and ...

William Optics’ newest machined aluminum refractor captures fine detail for imagers and its size makes it easily portable ...

The Dragonfly quadcopter will soar through Titan’s hazy skies and roam its dune seas in search of evidence that the distant ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Although our universe is mostly normal matter, antimatter isn’t so hard to create — supernovae, black holes, and even bananas ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

The Whirlpool Galaxy (M51) offers a chance to see a galaxy collision occurring in the sky. Here's how to view this ...

Asteroid Donaldjohanson was the second destination on the NASA mission’s itinerary — and its size and shape were not what ...