NASA admits it's been working with SpaceX on a backup plan to retrieve Boeing's 2 stuck astronauts. It doesn't sound ideal.

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crew dragon endeavour crew 2 spacex iss arrival
A SpaceX Crew Dragon vehicle approaches the International Space Station.

NASA

Sea lions with cameras got stunning video of never-before-seen habitats on the ocean floor, surprising scientists

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sea lion laying eyes closed on a shrubby beach with a small camera on its back
A sea lion mother after scientists equipped her with a video camera.

Nathan Angelakis

Secret experiments by a 16th-century alchemist involved an element that nobody knew about at the time

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Tycho Brahe in a portrait with an oval around it
Tycho Brahe, a 16th-century astronomer and alchemist, had tungsten in his lab nearly 200 years before scientists knew what it was.

Universal History Archive/Getty Images

A Chinese firm's answer to Elon Musk's Starlink just launched its first satellites for the thousands-strong network Beijing plans to build

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A Long March-6 rocket lifts off from the Taiyuan Satellite Launch Center.
The first 18 satellites in the Thousand Sail Constellation were launched from the Taiyuan Satellite Launch Center, pictured here, according to local media.

Zheng Bin/Xinhua via Getty Images

11 of the most baffling archaeological finds of all time

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A pillar with animals carved on it
The Göbekli Tepe contains many tall, carved pillars.

Ozan Kose/Getty Images

How to see a double meteor shower on Tuesday night with a chance of fireballs

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Bright white streaks showing meteors headed toward Earth's surface shown on bottom half of image.
Earth regularly passes through streams of comet debris that produce hundreds of meteor showers a year.

forplayday/Getty Images

Here’s the Latest List of Lead-Tainted Cinnamon Products

Gizmodo

Ground cinnamon

Heat-related injuries to workers in the Americas have soared since 2000, study finds

Tech Insider : Economy
Two men work on an irrigation system in a public park during a heat wave.
Extreme heat is causing more injuries among workers.

J. Scott Applewhite/AP

Scientists are closer than ever to deciphering the secret language of sperm whales. AI could be the key.

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A male and female sperm whale swimming just below the surface of the ocean
Sperm whales are highly-intelligent, social creatures. Project CETI wants to decode their complex language.

Project CETI

NASA says it can ask SpaceX to bring Boeing astronauts home if needed, as they reach 51 days on the space station

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astronaut suni williams upside down flipping near the ceiling of the space station while butch wilmore gives a thumbs up smiling next to her in front of an American flag beside walls covered in gadgets
Suni Williams and Butch Wilmore made a brief appearance on a call with press from the space station.

NASA TV

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