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La Niña is here! Here’s what that means for our weather
After being expected for months, La Niña conditions have finally emerged in the tropical Pacific Ocean. Here's what that means for our weather.
January 15, 2025
Why are these black hole X-ray flashes accelerating?
Astronomers at MIT have observed unusual black hole X-ray flashes that are accelerating in frequency. A white dwarf star near the black hole might be the cause.
January 15, 2025
What is a variable star?
What is a variable star? It's a star that brightens and dim in a cycle that might last hours, or weeks, or months, or longer. Astronomers know millions!
January 15, 2025
Lunar occultation of Mars on January 13, 2025. Images here!
The full Wolf Moon passed in front of red Mars for some observers last night. Here are some great images of the lunar occultation of Mars.
January 14, 2025
Huygens landed on Saturn’s moon Titan 20 years ago
On January 14, 2005, the Huygens spacecraft descended through the atmosphere of Saturn's moon Titan and landed on its surface. See the images of Titan.
January 14, 2025
Surprising spiral galaxy hosting a quasar jet
A recent Hubble image reveals a spiral galaxy hosting a quasar. Typically, quasars are older galaxies that have grown very massive and are not spiral shaped.
January 13, 2025
Mars closest to Earth on January 12, 2025
The Mars opposition - when Earth flies between the sun and Mars - comes on January 15-16, 2025. But January 12, 2025, finds Mars closest to Earth.
January 12, 2025
Citizen scientists provide insights to Jupiter’s clouds in new study
Scientists thought Jupiter's clouds were made of ammonia. But now, in a new study, citizen scientists provide insights showing that's not the case.
January 12, 2025
Too cold to snow? Do cold temperatures prevent snow?
Can it ever be too cold to snow? The fact is, no matter how cold a snow-producing cloud is, if it has a source of water, it can build big snowflakes.
January 12, 2025
This Is Wildfire: Tips on preparing yourself and your home
The book "This Is Wildfire" explains why wildfires seem larger and more destructive. Find tips on preparing yourself, your home and your community for wildfire.
January 11, 2025
