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World’s largest iceberg headed toward warm waters
Weather satellites such as NOAA-21 are tracking the movements of the world's largest iceberg, A23a, which is headed toward the South Atlantic.
December 13, 2023
Betelgeuse nearly disappeared – for some – in rare eclipse
On December 11 and 12, 2023, the star Betelgeuse dimmed, and nearly disappeared, for several seconds as asteroid Leona passed in front of it.
December 12, 2023
When our sun dies, what will happen to Earth?
A study suggests our sun is about the lowest mass star that - when it dies - produces a visible, though faint, planetary nebula. What happens when our sun dies.
December 12, 2023
Can haze on water worlds aid in the search for life?
Researchers at Johns Hopkins are simulating haze on water worlds. The haze muddles observations but can also help determine if an exoplanet is habitable.
December 11, 2023
See the best northern lights photos of 2023
The blog Capture the Atlas announced its best northern lights photos of 2023. You can see some of the best aurora photos in the world here.
December 10, 2023
Comet Nishimura and the Sigma-Hydrid meteors
Comet Nishimura may be the parent comet to the Signma-Hydrid meteor shower, which peaks December 9-12. The comet made a splash in astrophotos!
December 9, 2023
Comet Halley to reach farthest point from sun on December 9
Comet Halley reaches its farthest point in orbit from the sun on December 9, 2023. It'll then begin its return trip to the inner solar system, arriving in 2061.
December 8, 2023
Dark cloud near Milky Way’s center is strangely quiet
There's a dark region near the Milky Way's center known as the Brick. This cold cloud of gas and dust should be forming stars, but, strangely, it's not.
December 8, 2023
Menkar – a visual double – is the Whale’s alpha star
It's not the most famous star in Cetus the Whale, or the brightest. But Menkar is the Whale's alpha star and has its own claims to fame.
December 8, 2023
Rocky exoplanets can form in the most extreme environments
NASA's James Webb Space Telescope has found molecular building blocks of rocky exoplanets in a region previously thought to be too extreme and hostile.
December 7, 2023
