The Latest Breaking News from Gianluca Masi

On Aug. 14, Jupiter and Mars appeared closer together than they've been in over two years. Here are some of the best photos of this rare event.

Shortly after 4 p.m. ET, the mountain-size asteroid 2011 UL21 will come within 5 million miles of Earth, making it one of the largest space rocks to come that close to our planet for 125 years. Here's how to watch the close encounter live, or see it with a telescope.

The robotic telescopes of the Virtual Telescope Project have observed a quasar powered by a supermassive black hole 3 billion times as massive as the sun at the very edge of the universe

Take a look at some of the best 'horned' comet 12P/Pons-Brooks photos from around the world.

Comet 12P/Pons-Brooks is currently sailing past the Andromeda Galaxy in the night sky as it races toward Earth, and you can watch it live today.

All you'll need to see comet 12P/Pons-Brooks this month, besides fair weather and a little luck, are good binoculars or a telescope and sky map to help guide you.

NASA's Jet Propulsion Laboratory used a powerful Deep Space Network radar antenna to image asteroid 2008 OS7 as it spun harmlessly past Earth on Feb. 2, 2024.

As the frigid weather of January bared its teeth, skywatchers captured some incredible images of the Wolf Moon, the first full moon of 2024.

The Geminid meteor shower 2023 peaks overnight tonight (Dec. 13), and you can watch the action live with these free livestreams.

Betelgeuse, the most famous red supergiant star and one of the sky's brightest, will disappear for up to 12 seconds during an ultra-rare occultation by asteroid 319 Leona.

A newly discovered comet is swinging through our cosmic neighborhood for the first time in more than 400 years