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Ghostly neutrino caught in South Pole ice ushers in a new astronomy

Last week, scientists announced the 1st known source for ghostly, high-energy neutrinos. The source is a blazar, a billion-solar-mass black hole 3.7 billion light-years away. The discovery establishes a new way to study the universe.

5 things we know – and 5 we don’t – about ‘Oumuamua

Mysterious ‘Oumuamua is the 1st confirmed interstellar object to pass through our solar system.

Asteroid 2017 YE5 turns out to be double

Asteroid 2017 YE5 swept by Earth in late June. Turns out, it’s a double asteroid, with both bodies almost identical in size and not touching – only the 4th such object ever detected.

From Pluto, Earth to transit sun on July 12

Earth transits seen from Pluto are rare. The last one happened in 1931, a year after Clyde Tombaugh discovered Pluto. It won’t happen again for 161 years.

Heads up on July 2019 total solar eclipse

A 5-minute video from the European Southern Observatory on the 2019 eclipse in South America and the South Pacific. Eclipse map, and more.

Why does the ocean have waves?

Waves are created by energy passing through water. Here’s what you need to know, in 30 seconds.

Dust from Africa spreads into the Americas

This past weekend, a massive dust cloud from Africa’s Sahara Desert swept across the Atlantic and caused hazy skies across Texas, Mexico and parts of Central America.

Astronomers capture 1st confirmed image of a newborn planet

The newly imaged newborn planet is located at about the distance of Uranus – our solar system’s 7th planet – from the dwarf star PDS 70. Its atmosphere appears to be “cloudy,” these astronomers said.

Interstellar asteroid update: It’s a comet!

`Oumuamua is moving faster than expected on its way out of our solar system. Astronomers now think it’s really a comet, venting material from its surface that’s giving the object a small but steady push.

Great white sharks dive deep into warm-water whirlpools

Researchers tracked 2 great white sharks to find out where they spend their time. Watch a cool video of the tricky job of tagging Lydia, a great white swimming in Florida waters.