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Look for Orionid meteors this month

Details on the annual Orionid meteor shower. How and when to watch. In 2018, the peak morning is probably October 21. But start watching now, before dawn!

Are asteroids hiding among the Taurids?

And, more to the point, are any asteroids that might be hidden in the Taurid meteor stream potentially hazardous to Earth?

When white dwarf meets brown dwarf, pow!

In 1670, skywatchers saw a nova, a star that appeared where none had been before. Today’s astronomers have learned it was a collision between an aging white dwarf star, and less massive brown dwarf.

New technology may help solve mystery of life’s origins

How did life on Earth begin? A new technology, called Planet Simulator, might finally help solve the mystery.

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Bees stopped buzzing during total solar eclipse

In the path of totality of the August 2017 total solar eclipse, bees stopped flying, says a study. “It was like ‘lights out’ at summer camp.”

South Taurid meteors to peak in October?

The South Taurid meteor shower rarely produces more than 5 meteors per hour, but it’s been known to produce fireballs. The shower is long-running. Watch for these meteors in October and November.

How to spot ISS in your sky

Learn to watch ISS moving silently and steadily across your night sky, and think of the 3 astronauts currently on board.

Today in science: Proxima Centauri

Astronomers thought Alpha Centauri was the closest star to Earth. Then they found a smaller, fainter star that’s even closer. They named it Proxima, which means “nearest.”

What is a waxing crescent moon?

Many people report seeing earthshine on a waxing crescent moon. That’s when the darkened portion of the crescent glows dimly with light reflected from Earth.

Meet the trillions of viruses that make up your virome

Just because you don’t have the flu doesn’t mean that your aren’t teeming with viruses inside and out. But what are all these viruses doing, if they aren’t making you sick?

Astronomers detect ghostly afterglow of cosmic explosion

For the 1st time, astronomers have detected the faint radio afterglow of a ghost explosion – a kind of cosmic sonic boom – possibly the result of a weird kind of gamma-ray burst.

Is Voyager 2 nearing interstellar space?

Voyager 2, launched in 1977, is now about 11 billion miles (17.7 billion km) from Earth. NASA says the spacecraft has detected an increase in cosmic rays, which might mean it’s close to becoming only the 2nd human-made object, after Voyager 1, to enter interstellar space.

Whale songs evolve, but calls persist for generations

Humpback whales have ever-changing and evolving songs. But a new study of whales in Alaska shows their repertoire of calls – including growls, trumpets, and ahoogas – remains more stable. Why?