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Eavesdropping on alien signals between exoplanets
Scientists looked for alien signals sent between exoplanets in the TRAPPIST-1 system. They used radio telescopes to seek the intelligent transmissions.
October 18, 2024
Comet A3 was the brightest comet in 27 years!
Comet A3 Tsuchinshan-ATLAS was the brightest comet in 27 years, since Hale-Bopp. Did you see it? More on the comet plus images here.
October 18, 2024
A steam world exoplanet with an earthlike atmosphere?
Astronomers using the Webb space telescope say that the hot exoplanet GJ 9827 d has more water vapor than 1st thought. They call it a steam world exoplanet.
October 16, 2024
Comet A3 has an anti-tail! Can you see it?
Comet A3 and Earth have passed their closest point. But, early this week, we're crossing the plane of the comet's orbit. Some are seeing an anti-tail!
October 14, 2024
Ice on the moon is widespread, new study shows
A new NASA study of permanently shadowed regions near the lunar south pole shows that there is a lot more water ice on the moon than previously thought.
October 14, 2024
Jupiter’s Great Red Spot wiggles like gelatin
New observations with the Hubble Space Telescope show that Jupiter's Great Red Spot wiggles like a bowl of gelatin. It squeezes in and out like a stress ball.
October 13, 2024
Black hole destroys a star, goes after another
A black hole shredded one star and now, a few years later, the debris disk is pummeling another star. This second star flashes in X-ray every time it gets hit.
October 11, 2024
Westerlund 1 star cluster: Imagine if we lived here
Imagine a sky full of stars as bright as a full moon. If we were in this super star cluster - called Westerlund 1 - that's what we might see.
October 10, 2024
How likely is a doomsday asteroid swarm from Comet Encke?
Astronomers studying the debris that causes the Taurid meteor shower said it's unlikely there's a doomsday asteroid swarm hidden in the debris.
October 10, 2024
Complex organics on Enceladus: A clue to possible life?
Scientists in Germany have found more complex organics on Enceladus, the ocean moon of Saturn. Are they evidence for life?
October 9, 2024
