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Comets are icy balls of gas, dust and rock
Comets are diffuse balls of ice and dust orbiting the sun. They're sometimes visible in our skies. A comet's tail can stretch millions of miles across space.
November 28, 2024
The Sombrero Galaxy as you’ve never seen it before
The Webb Space Telescope has delivered a stunning view of the Sombrero galaxy, M104, in infrared. See it here and read more about it.
November 26, 2024
Europa Clipper en route and all systems go
Europa Clipper is on its way to explore Europa, the icy ocean moon of Jupiter. Deployment and testing of its instruments is underway and going smoothly.
November 26, 2024
Mars rover Curiosity heads for intriguing ‘spiderwebs’
NASA's Mars rover Curiosity is ready to leave an ancient river channel it's been exploring. Next, it'll go to a geological formation resembling giant spiderwebs.
November 25, 2024
Are large asteroids hidden in this annual meteor shower?
Large asteroids hidden in the Taurid meteors could be a threat to Earth. One of them might be responsible for the 1908 Tunguska event.
November 24, 2024
Is this a volcanic exoplanet? Hints are in its atmosphere
L 98-59 d, a super-Earth 35 light-years away, may be a volcanic exoplanet. NASA's Webb Space Telescope has detected a possible sulfur-rich atmosphere.
November 24, 2024
The Milky Way isn’t the only galaxy: 100th anniversary
It was 100 years ago that Edwin Hubble showed, through observations and measurements of stars, that the Milky Way is only one galaxy of many in our universe.
November 24, 2024
Star outside the Milky Way seen about to blow in closeup image
Astronomers have taken the first closeup image of a star outside the Milky Way. This star - WOH G64 - appears to be getting ready to go supernova.
November 22, 2024
MOND and more. Does the universe need a rethink?
MOND theory: There's increasing evidence that astronomical theories don’t match observations. Is it time to rethink our story of how our universe came to be?
November 21, 2024
A runaway star moves fast in an unusual direction
Stars in our Milky Way galaxy move in a more or less orderly way. But a star that moves differently from the general stream of stars is known as a runaway star.
November 21, 2024
