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Astronomers spy 4 giant planets orbiting a very young star

Finding 4 giant planets orbiting another star isn’t too unusual these days. But these massive planets are the largest known to orbit such a young star – CI Tau – only 2 million years old.

What are hole-punch clouds?

Ever seen one of these? People sometimes report them as UFOs. They’re called hole-punch clouds, and jets make ’em. The connection between hole-punch clouds, jets and snowfall, here.

All you need to know: 2018’s Hunter’s Moon

The coming full moon – Hunter’s Moon for the Northern Hemisphere – is October 24. Will it be bigger, brighter, more colorful? All you need to know here.

Our Milky Way almost collided with another galaxy

Astronomers found a snail-shaped substructure of stars in our larger Milky Way galaxy. It indicates the Milky Way is still enduring the effects of a near-collision that set millions of stars moving like ripples on a pond.

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How Earth feeds volcanic supereruptions

To better understand where magma gathers in Earth’s crust, researchers studied the Taupo Volcanic Zone of New Zealand, the planet’s most active cluster.

Europa may have towering ice spikes on its surface

Penitentes – large pointed spikes of ice – are known on Earth and Pluto. Jupiter’s moon Europa might have them, too, according to new research. If they’re there, they could make a future landing on Europa tricky.

Small asteroid passed closer than TV satellites

Newly-discovered Asteroid 2018 UA made an extremely close approach to Earth on Friday morning. Luckily, the space rock was too small to be dangerous.

Watch launch of BepiColombo mission to Mercury

The BepiColombo mission to our sun’s innermost planet – fascinating little Mercury – launches from Europe’s spaceport in French Guiana on October 20 at 01:45 UTC (tonight at 9:45 p.m. EDT). Here’s how to watch.

Report calls for NASA to ramp up search for alien biosignatures

NASA is again being encouraged to expand its search for alien life – not just intelligent life – all forms of life, including microbes.

What makes giant soldier ants?

Charles Darwin puzzled over why ants come in such wildly different sizes. The question even made him doubt his theory of evolution. New research might explain why.

How do dogs process words?

What’s happening in your dog’s brain when it hears you say squirrel? New research looks at how dog’s brains react to human words.

What is a waxing gibbous moon?

A waxing gibbous moon appears more than half lighted, but less than full. It rises before sundown and sets somewhere between midnight and dawn. The coming full moon – Hunter’s Moon for the Northern Hemisphere – is October 24.

Asteroid 2018 EB has a moon

Binary asteroids – that is, asteroids with moons – aren’t uncommon. More than 300 have been discovered so far. Astronomers found a moon for 2018 EB when it swept closest to Earth on October 7.