ScienceAlert

More than 19 million years ago, the world’s open oceans were absolutely teeming with sharks, roughly ten times more than today. Then, suddenly, these large marine predators almost all disappe...

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WHOOSH! You’re looking at plasma - the fourth state of matter - pulse through the Experimental Advanced Superconducting Tokamak back in 2017. The plasma was likely around 50 million °C. Just a...

https://sciencealert.tumblr.com/post/653101108335640576

You know what Uluru looks like from the ground - but how about from the air? This incredible picture was taken by Thomas Pesquet on the International Space Station from 408 kilometers up. Ulu...

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Surprise! 🎉 A giant tortoise in the Galápagos Islands that was thought to have gone extinct over a century ago has been rediscovered! Researchers found the female tortoise back in 2019 on t...

https://sciencealert.tumblr.com/post/652911773722279936

Look at that nebula scuttle! This image shows the incredible Southern Crab Nebula, taken by Hubble back in 2019. The formation is due to two stars - a red giant and white dwarf - careening arou...

https://sciencealert.tumblr.com/post/652818849013596160

Researchers discovered an adorable new species of tree frog! 😍 They’ve nicknamed them ‘chocolate frogs’ for obvious reasons and they’re related to Australia’s green tree frogs. This ...

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Cats are of course the perfect middle ground of biology, physics and chemistry. 😂 🖍️: @errantscience PS. If you’re wondering how physicists play with mice - think of 🖱️ not �...

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Is this image Mars or Earth? The two planets can appear incredibly similar, as European Space Agency astronaut Thomas Pesquet discovered while taking a photo of Earth looking decidedly red earl...

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Two male #anoles met in a lane, gaped impolitely and gaped again… then probably started swearing at each other in lizard 😄 Adult male green anoles (Anolis carolinensis) are highly territor...

https://sciencealert.tumblr.com/post/652192199400914944

Where’s the best place to watch a hurricane? Space of course! This incredible photo was taken by Astronaut Ricky Arnold back in 2018. He tweeted at the time “Hurricane #Florence this mornin...

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You might not believe us, but all 12 of these orbs are the same shade of beige. Shrinking the image exaggerates this illusion, while zooming in minimizes the effect, according to David Novick, ...

https://sciencealert.tumblr.com/post/652019579500052480

Jupiter looks so pretty in her cotton-candy colors. 😍 The planet’s incredible stormy details have been captured here in ultraviolet. Ultraviolet imagery of Jupiter helps scientists track t...

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😱 This bizarre beastie of the deep, washed ashore a California beach earlier this week. The nightmarish lady is an anglerfish, normally found 3,000 feet below the waves. Its strange head pro...

https://sciencealert.tumblr.com/post/651832796034318336

Although this might look like a wisp of cloud on a clear Earth night it’s actually much cooler - a photo of a nebula taken from space! The cloud is an emission nebula called NGC 2313 thousand...

https://sciencealert.tumblr.com/post/651742289512792064

Check out that little transparent face! 🤩 Tardigrades - also known as water bears and moss piglets - are microscopic invertebrates found all over the world! When conditions get nasty they ca...

https://sciencealert.tumblr.com/post/651706942033707008

Once, one of the most common invertebrates floating the oceans were ammonites, early relatives of octopus and squid. This one, Psiloceras planorbis, is more than 200 million years old. Almost a...

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😂 True that! 📷 via @neet_hustle_/Instagram

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Awwwww! Just lookit these puppers being such good boys and girls for science! 🐶❤️ Through scanning them in MRI machines, we’re learning just how much dogs do and don’t understand. Hi...

https://sciencealert.tumblr.com/post/651434714499088384

Three 50p coins have been produced to celebrate self-taught paleontologist Mary Anning. As an eighteenth-centaury women, her important contributions to the field were once overlooked. The coins f...

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Vitamin C dazzles beneath a cross-polarized microscope. 🍊😍 This vitamin is crucial for our body’s ability to produce collagen and heal wounds. As our bodies can’t make it (unlike dogs w...

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