Meeting of the American Astronomical Society, two teams of astronomers—centered at Penn State and MIT—independently announced new discoveries about an extreme form of planetary destruction: apparently ...

G3 has mesmerized astronomers and amateur skygazers for months as the world tried to spot the bright comet in the sky nearing its fatal encounter with the Sun.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

The Large Angle and Spectrometric Coronagraph aboard the Soho spacecraft captured the view of the comet as it flew with a ...

From Jan. 11 to 15, 2025, a bright comet surged through images from the ESA (European Space Agency) and NASA SOHO (Solar and Heliospheric Observatory) spacecraft. Called C/2024 G3 (ATLAS), the comet ...

New photos of comet C/2024 G3 (ATLAS) suggest that it could be disintegrating due to "thermal stress" from its recent ...

Often, star-grazing comets such as C/2024 G3 do not survive the encounter with the Sun, though astronomers believe that this one did so in the past. This comet's period is 135,000 years – long for a ...

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

Perfect weather has opened up Adelaide’s skies for an event of a lifetime that won’t happen again for about 160,000 years.

The G3 Atlas comet has returned to our galaxy for a once-in-a-lifetime event and is now visible in the Southern Hemisphere.

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see without a telescope or binoculars — with ...