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Did a comet burst crash Earth’s climate 12,800 years ago?
Evidence suggests a celestial body exploded in Earth's atmosphere 12,800 years ago. The comet burst may have cooled the climate for around 1,200 years.
July 5, 2024
Why did woolly mammoths go extinct?
It was long thought that the last woolly mammoths on Wrangel Island died out 4,000 years ago due to inbreeding. New DNA analysis refutes this assumption.
July 5, 2024
See NASA images of the 2 large asteroids that passed Earth
When 2 large asteroids passed our planet in late June, NASA captured images of these near-Earth space rocks. And 1 was hiding a tiny moon.
July 4, 2024
Dog days of summer: Hottest in July and August
The dog days of summer are named for the Dog Star Sirius - the brightest star in the sky - in the constellation Canis Major the Greater Dog. Learn why here.
July 4, 2024
Hydrothermal vents on ocean moons could support life
A new study shows ocean moons in our solar system could have long-lasting geothermal activity on their oceans floors and may even be able to support life.
July 3, 2024
How the lynx beat extinction: Lifeform of the week
The lynx is a fascinating animal and an example of good conservation efforts. Here's how it managed to escape the list of critically endangered species.
July 1, 2024
Noctilucent clouds: Best season in years, happening now!
It may be the best noctilucent cloud season in years! Europe has had stunning displays of these night-shining clouds. See a gallery of noctilucent clouds.
June 30, 2024
The Tunguska explosion rocked Siberia 116 years ago
The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.
June 30, 2024
A new horned dinosaur from the Montana badlands
A new species of plant eating horned dinosaur was discovered in Montana. This creature, that lived 78 million years ago, had elaborate horns and frills.
June 27, 2024
Lightning safety: Here’s what you need to know
Read up on lightning safety tips. Do you know whether it's safe to be at the beach in a lightning storm? How about a golf cart? Do rubber tires make you safe?
June 23, 2024
