
Dancing Black Holes Could Support Einstein's Theory Of Relativity
New research about the orbit of supermassive black hole binaries could provide evidence for gravitational waves.

Northern lights observed and could continue into the weekend
A coronal hole high-speed stream caused the northern lights to be visible in parts of the U.S., but could cause some issues with the power grid.

When you'll be able to see 5 planets align in the night sky
Five planets — Jupiter, Mercury, Venus, Uranus and Mars — will align on the evening of March 28.

Where 2 upcoming solar eclipses can be seen in the US
New NASA maps show who will have the best view of two major solar eclipse events in the next 13 months.
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FDA proposes using salt substitutes in more foods
The U.S. Food and Drug Administration has proposed allowing salt substitutes in more foods as part of efforts to reduce sodium consumption.

FDA proposes using salt substitutes in more foods
The U.S. Food and Drug Administration has proposed allowing salt substitutes in more foods as part of efforts to reduce sodium consumption.

Inside a Boston monastery, 9 nuns are contemplating their futures
A monastery in Boston is closing after nearly 90 years. Nine nuns, ages 60 to 92, will be moving to a much smaller compound.