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Gravitational anomaly seen in lab crystal
An exotic effect in particle physics, theorized to occur in immense gravitational fields — near a black hole, or in conditions just after the Big Bang — has been seen in laboratory crystal.
July 24, 2017
How to watch Shark Week
This is a week of dueling shark-athons on television. A biologist advises viewers to take what they see with a large grain of sea salt.
July 24, 2017
A shadow-band project for August 21
Shadow bands are elusive ripples of alternate light and dark, flitting over the ground or the sides of buildings during a total solar eclipse. How to take part in an International Shadow Band Campaign during the August 21 eclipse.
July 20, 2017
Maryam Mirzakhani, mathematician, dies at 40
She was an outstanding mathematician and first woman to receive the prestigious Fields Medal. Maryam Mirzakhani died on July 14 after a several-year battle with breast cancer.
July 20, 2017
Have you seen the Mayak satellite?
On July 14, an amateur group in Russia launched a small satellite called Mayak. They said it would become the "brightest shooting star" in the sky. Why'd they do it? Here's how to look for it.
July 18, 2017
Soar over Pluto and Charon
To celebrate the 2-year anniversary of New Horizon's flyover of the Pluto system, NASA released these 2 cool videos. Sail over the surface of Pluto and its large moon Charon.
July 17, 2017
Strange radio signals from nearby star
A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.
July 14, 2017
Last survivors on Earth?
Scientists say they’re likely to be tardigrades - tiny, 8-legged marine creatures - which can survive until the sun dies, long after we humans have disappeared.
July 14, 2017
Possible new threat to Earth’s ozone layer
Recent increases in an unregulated ozone-depleting substance could delay recovery of Antarctic ozone levels by 5–30 years, say scientists.
July 12, 2017
A universe of organisms living in your gut
Trillions of microorganisms living in your digestive system might influence your health, mood, even your weight.
July 12, 2017
