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.
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.
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.
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.
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.
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.
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.
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?