Posts by 

Eleanor Imster

Oldest fossils of our species

Researchers have uncovered 300,000 year-old fossil bones of Homo sapiens in Morocco, the oldest reliably-dated fossil evidence of our species yet.

Video: Greenland’s thinning ice

The ice sheets are melting from both above and below, say scientists.

Milky Way over Mount Abu Observatory

Nikunj Rawal captured the Milky Way over India's Mount Abu Observatory on June 1.

A planet hotter than most stars

Astronomers have discovered a Jupiter-like world hotter than most stars. The planet has a year only 1.5 days long and might have a tail like a comet.

Your immune system in space

New video from NASA about studies looking at the effects of space travel on the human body's immune system.

Nature’s red, white, and blue

Memorial Day weekend is ahead here in the U.S. Have a happy one! Photo by Marcia White Bower.

Top 10 new species 2017

This year's list includes a spider and an ant with names drawn from popular books, a pink katydid and an omnivorous rat.

Cape Cod Milky Way

Manish Mamtani captured this image at Salt Pond on Cape Cod, Massachusetts. "Happy to be back chasing the Milky Way," he said.

2nd-warmest April and year-to-date

And, at both the poles, sea ice extents were at or near record low levels, according to the National Oceanic and Atmospheric Administration.

Humans and pufferfish share teeth genes

Our teeth evolved from the same genes that make the bizarre beaked teeth of the pufferfish, according to new research.