Your guide to the best sights the night sky has to offer from Dec. 20, 2025, to Jan. 4, 2026 — and the gear you'll need to see them.
NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.
Data from NASA's Parker Solar Probe has enabled astronomers to map the unssen surface of the sun's atmosphere for the first time.
Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.
A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The finding could have implications for a NASA spacecraft en route to the frozen world.
Lava rubble at the bottom of the sea is acting like a giant "sponge" for carbon dioxide, ancient cores reveal.
Scientists made a unique discovery in a cave on the Caribbean island of Hispaniola: dozens of fossilized bee nests inside rodent bones that were deposited by owls thousands of years ago.
Earth from space A 2022 astronaut photo shows a thick blanket of snow covering Yellowstone Lake, transforming the frozen body of water into a featureless white void. But below the ice lie some of Earth's hottest hydrothermal vents.
A thick layer of more than 12 miles of rock may explain why Bermuda seems to float above the surrounding ocean.
Since 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 billion more over the next 25 years to complete its "Great Green Wall."
More than a dozen mummies of kids with facial tattoos were found at an archaeological site in Christian-era Nubia.
An excavation at the City of David in Jerusalem unearthed a 1,300-year-old medallion decorated with a seven-branched menorah on each side.
These Anglo-Saxon accessories were recovered from the side of a hill in England and may be from a hoard, a ritual deposit or a collection of stolen items.
Warming temperatures appear to be driving genetic mutations in some polar bears to help them survive the shifting climatic conditions.
The genetic link between squids and octopuses may just be found in the vampire squid genome.
Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.
Cassius was an 18-foot-long saltwater crocodile living in captivity in Marineland Crocodile Park in Australia. He died last year at the age of about 120, and we finally know why.
A man with few risk factors unexpectedly experienced a stroke, and his daily energy drink habit may have been to blame.
Controlling immune cells' internal clocks helped reduce inflammatory damage in conditions like heart attack and sickle cell disease, a mouse study found.
A brain-scan study reveals key components of the brain's navigation system, which may help us better understand early symptoms of dementia.
A study suggests psychiatric disorders can share the same genetic signatures and that they may stem from shared biological mechanisms.
In December 1911, Roald Amundsen and his crew reached the South Pole, beating his rival, Robert Falcon Scott, by 35 days. Scott and his crew didn't survive the return trip.
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A new high-power laser system will soon be sent to sea for its first tests under maritime conditions.
Reference The history of computers began with primitive designs in the early 19th century and went on to change the world during the 20th century.
The human eye can only detect wavelengths in the visible light range, but a new imaging system will let us "see" infrared radiation using smartphones.
AI is making gains in solving pure math problems. Can it crack the hardest problems in mathematics?
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
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