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Crack! Lightning over the Atlantic
John Entwistle captured this image on North Carolina's Outer Banks of "an insane lightning strike lighting up the clouds over the ocean."
August 23, 2018
Researchers find fast flip in Earth’s magnetic field
By studying the magnetic record left behind in earthly rocks, researchers found a magnetic field reversal - where magnetic north became magnetic south - lasting only 2 centuries.
August 22, 2018
InSight halfway there! Update on Opportunity rover
Updates on 2 Mars missions, 1 old and 1 new. Insight is on course for a November touchdown. The 15-year-old Opportunity rover lost contact with Earth months ago, due to a global dust storm, but the engineering team is hopeful.
August 22, 2018
Ice confirmed at moon’s poles
It's the 1st definitive evidence of water ice on the moon's surface.
August 21, 2018
Researchers say STEVE isn’t an aurora
What's been called a new kind of aurora - the striking sky phenomenon dubbed STEVE - isn't an aurora at all, according to a new study.
August 21, 2018
What are rare earth elements?
Most of us use rare earth elements every day – without knowing it. These little-known and fascinating elements make modern electronics possible.
August 21, 2018
North America’s smoky skies
Do your skies look hazy? Are your sunsets very orange, or layered-looking, or does the sun or moon look orange while high in the sky? If you're in the northern U.S. or Canada, the reason is still wildfire smoke.
August 20, 2018
Compare sizes of sun and stars
It’s hard to get your head around the sheer size of objects in space, but take 2 minutes and give it a try!
August 20, 2018
Earth’s ingredients pretty normal, say astronomers
Astronomers have discovered that the basic building blocks of some planetary systems are very similar to Earth's elements, helpful information in the search for truly Earth-like planets in other solar systems.
August 20, 2018
