Articles by Nala Rogers

They release "mobile grenades" -- tiny balls of stinging cells that are shaped like popcorn and can swim under their own power.

The glue cements the moth’s wing scales together like a wall of bricks.

Bacteria help drive Earth's chemical cycles and climate. Viruses drive the bacteria.

Study suggests that if climate change continues unabated, there soon won’t be enough snow in northern Alaska for polar bears to dig birthing dens.

The water contains bacterialike shapes that researchers plan to test for DNA.

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.

Plants may recruit defenders by bribing them with other plants' pollen.

Despite high-profile study, the ancestors of humans living today likely evolved in many places at once, say critics.

Tiny brainlike cell cultures called organoids offer clues about human evolution.

Sponges, one of the most ancient animal lineages, can maintain normal gene activity even as oxygen levels drop.

To get wildlife data, scientists have jumped out of helicopters and given mouth-to-mouth resuscitation to venomous snakes.

Preventing losses of electricity as it travels from the source to where it's used could cut greenhouse gas emissions by half a billion metric tons a year.