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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.
June 14, 2017
What’s it like to see a total solar eclipse?
Words often fail when trying to explain the kaleidoscope of sights, sounds, feelings and emotions that consume us during this other-worldly event.
June 13, 2017
Dwarf star bends light, confirms Einstein
Awesome observation! Astronomers used the Hubble Space Telescope to measure the mass of a nearby white dwarf, as it bent the light of a more distant star.
June 10, 2017
Cool preview of Pluto craft’s next target
On June 3, July 10 and July 17, astronomers will be watching as tiny MU69 in the outer solar system - the New Horizons spacecraft's next target - occults or blocks the light from 3 different stars.
June 3, 2017
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.
June 3, 2017
Top 5 questions about tornadoes
More tornadoes occur in the U.S. than any other country, mainly in the Great Plains, Midwest and southern states. Two meteorology professors answer questions.
May 31, 2017
Full-sphere, 360-degree ISS transit
Super cool, interactive image of a transit across the sky of the International Space Station, via Project Nightflight of Austria.
May 30, 2017
Two big asteroids to pass safely
Radar astronomers are peering toward asteroid 2017 CS, closest on May 29. Another asteroid - 418094 (2007 WV4) - will be closest June 1. Charts here for Saturday night, for 8-inch or larger 'scopes!
May 27, 2017
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.
May 18, 2017
Did this human species coexist with our ancestors?
Fossil remains of Homo naledi found in a South African cave might be the first evidence of another species of hominin coexisting with the first humans in Africa.
May 17, 2017
