Latest from Rachel Feltman
These charming little primates share Madagascar with people desperate for wood and food.
  • Mar 27, 2019
They are, but scientists are still trying to figure out why.
  • Mar 17, 2019
Temperature isn’t the only factor in determining what will fall from the sky.
  • Jan 13, 2019
The tilt of the Earth helps explain it.
  • Dec 10, 2018
It shows signs of life, but scientists don’t agree on whether it’s alive.
  • Nov 18, 2018
NASA provides about 200 choices on the space station, but travel to Mars poses new challenges.
  • Nov 7, 2018
Candy chemistry explains how simple sucrose can be chewy, hard or fluffy.
  • Oct 14, 2018
They’re too small to be recycled, so they end up in the landfill by the millions.
  • Sep 9, 2018
Vultures and possums are two creatures that use foul odors to their advantage.
  • Aug 13, 2018
There’s plenty of useless junk circling the planet, thanks to humans.
  • May 13, 2018