Comet G3 is on its first voyage into the inner solar system, meaning it’s packed with volatile materials that have never been exposed to the Sun’s warmth before. This makes its behavior somewhat ...

Amateur and professional astronomers alike have been delighted by the spectacular display provided by Comet 2024 G3 (ATLAS) during mid and late January. After it made its closest pass to the sun ...

Why it's so special: Nicknamed the "Great Comet of 2025," Comet C/2024 G3 (ATLAS) is currently the brightest comet predicted to be visible from Earth all year. Discovered on April 5, 2024 by the ...

A brilliant comet lights up the night sky over Chile's Atacama Desert in this stunning image captured by a photographer with the European Southern Observatory in January 2025. For several days in ...

Meet comet C/2025 F2 (SWAN): a celestial body glowing green as it swings around the sun, currently visible in the early morning hours with backyard gear, such as small telescopes or binoculars.

There’s always another comet. Last year there was much ballyhoo over the so-called “devil comet,” some will-it-won’t-it drama of Tsunchinshan-ATLAS, and the sudden discovery (and quick demise) of a ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released the latest photos Thursday.

Astronomers are rolling out a welcome mat for a newly identified visitor from beyond our solar system. The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

A brilliant comet lights up the night sky over Chile's Atacama Desert in this stunning image captured by a photographer with ...