
Reading a Message from ET
Right now, sophisticated radio telescopes are listening to the cosmos, waiting for a transmission from an extraterrestrial civilization. The Allen Telescope Array operated by the SETI Institute is j ... more
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Skywatchers readying for cosmic light show from meteor shower
The imminent Perseid meteor shower, the brightest and showiest of such events, could bring a light show of as many as 70 shooting stars an hour, experts say. ... more
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Denmark closes airspace to civilian drones amid rise in sightings
Top diplomats of North Korea, China agree to oppose 'hegemonism'
What is the high seas treaty?
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Is Europa habitable?
Europa, the ice-covered moon of the planet Jupiter, may be able to support life. NASA has commissioned a team of expert scientists to consider the science goals for a landed spacecraft mission to th ... more
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The Sun's Magnetic Field is about to Flip
Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip.
"It looks like we're no more than thre ... more
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Looming weak solar max may herald frosty times
The current solar activity cycle, possibly the weakest in 100 years, is approaching its maximum. This may signal a future low period for the sun, probably not unlike the one that caused the so-calle ... more
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