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Solstices and equinoxes seen from space
See how sunlight falls on Earth's surface during the solstices and equinoxes, and get a better understanding of why Earth's tilt causes the seasons.
December 21, 2025
Interstellar object Comet 3I/ATLAS leaving the solar system
Interstellar object Comet 3I/ATLAS makes it closest pass by Earth today (December 19, 2025). How close will it come? And where will it go after this?
December 19, 2025
Weird, ultra-hot, double-tailed planet surprises scientists
WASP-121 b is a scorching double-tailed planet. Helium gas is escaping from its atmosphere and forming 2 huge tails along its orbit.
December 17, 2025
Researchers question methane atmosphere on TRAPPIST-1e
Previous hints of a methane atmosphere on TRAPPIST-1e might not be accurate, a new paper suggests. But the tantalizing exoplanet could still have an atmosphere.
December 17, 2025
Astronomers create 1st map of the sun’s outer boundary
Astronomers have produced the 1st map of the sun's outer boundary, the point-of-no-return for material that escapes the sun's magnetic grasp.
December 16, 2025
Astronomers see monster stars from the cosmic dawn
Researchers have found evidence for monster stars in the early universe. These giants collapsed directly into the earliest supermassive black holes.
December 16, 2025
This moss survived in space for 9 months
In an experiment on the outside of the International Space Station, a species of moss survived in space for 9 months. And it could have lasted much longer.
December 12, 2025
Mysterious 3200 Phaethon is the Geminids’ parent object
3200 Phaethon is the weird comet-like asteroid that spawns the Geminid meteor shower. New research reveals more answers ... and questions.
December 12, 2025
Long-lasting gamma-ray burst is a unique puzzle
We now have more insight on the longest gamma-ray burst yet. The burst lasted at least 7 hours, nearly double that of the previous record.
December 11, 2025
There might be an ocean on exoplanet TOI-270 d
Is there an ocean on exoplanet TOI-270 d? A new study said this sub-Neptune exoplanet might be a water world with either a global or nightside ocean.
December 11, 2025
