A massive clump of dark matter may lurk in the Milky Way
Pulsating remnants of stars hint at a clump of invisible matter thought to be about 10 million times the sun’s mass.
Author: Emily Conover
Physicists discovered neutrinos 70 years ago. The ghostly particles still have secrets to tell
Neutrinos have kept scientists on their toes in the decades since they were discovered.
Queen bumblebees are poor foragers thanks to sparse tongue hair
The density of fine hairs on bumblebees’ tongues determines how much nectar they can collect — and workers put queen bees to shame.
Earth is bathed in droves of neutrinos spewed by the Milky Way’s stars
The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail every second.
Here’s the science behind nuclear weapons testing
Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.