Ancient people may have used human skulls for cups and other body parts for tools, according to a burial site in Spain

Tech Insider
The opening of Cueva de los Marmoles in Spain, which is dark inside and shows greenery and rocks outside
The opening to Cueva de los Marmoles, where many prehistoric people buried their dead for millennia.

J.C. Vera Rodríguez, CC-BY 4.0

Sunken ancient temples were found in a mysterious underwater city, with Egyptian and Greek treasures

Tech Insider
Images show Grecian artefacts buried in mud underwater on the left, and gold Egyptian artefacts on the right.
Side-by-side images show ancient artifact found in the mud in the Thonis-Heracleion site in the Aboukir Bay in Egypt.

Christoph Gerigk ©Franck Goddio/Hilti Foundation; Insider

A giant eruption covered 'over half the sun,' then crashed into Earth nearly 12 hours earlier than forecast

Tech Insider
sun solar surface side by side images left shows the full orange disk with a giant loop of plasma circled and a green arrow pointing to that loop on the right in a purple close-up
This filament formed on the sun, then erupted to send solar material speeding toward Earth.

NASA Solar Dynamics Observatory

Side-by-side photos show 4 major changes made to SpaceX's Starship rocket system after its first launch ended in an explosion

Tech Insider
Side by side annotated image show Starship on its launchpad in April and September. Arrows and circle highlight two changes that have been made to the rocket since it last blew up.
Annotated images shows two of SpaceX biggest changes to its Starship mega-rocket, adding a vent between the stages and a flooding system to the launch pad.

SpaceX/Insider

Australia's rare pink-diamond mine formed from the clashing and stretching of continents, a new study found. The discovery could lead to more colorful diamonds.

Tech Insider
A photo of four octahedral pink diamonds found in the Argyle diamond mine.
Pink diamonds are rare. Some estimates put them at about 3% of diamond output.

Murray Rayner

Why the sun has two giant holes, and what that means for Earth

Tech Insider
  • Two giant holes, 18 to 30 times the size of Earth, have appeared on the surface of the sun.
  • They could send 1.8 million mph solar winds toward Earth.
  • They're called coronal holes, which are cooler areas that don't glow as bright as others.

A NASA probe got slammed by a massive eruption from the sun — and caught it all on camera

Tech Insider
NASA's Parker Solar Probe flew through a massive CME and caught the whole thing on camera.
NASA's Parker Solar Probe flew through a massive CME and caught the whole thing on camera.

Johns Hopkins Applied Physics Laboratory

A tiny 'ice mouse' with teeth the size of sand grains survived some of the coldest temperatures when dinosaurs roamed the Earth

Tech Insider
A painting of Ugrunaaluk kuukpikensis, a duck-billed dinosaur, with an insert of the tiny Sikuomys mikros, a shrew-like animal, that illustrates a scene from ancient Alaska during the Cretaceous Period.
Sikuomys mikros would have had to dodge much-larger dinosaurs when it foraged for food.

James Havens

A giant eruption from the sun could bring the Northern Lights as far south as New York, Chicago, and Portland overnight Monday and early Tuesday

Tech Insider
ribbons of green pink purple northern lights stretch across the night sky above homes and lights of a sprawling town
Northern Lights, also called aurora borealis, dance in the sky over Tromso, Norway.

NTB/Rune Stoltz Bertinussen/Reuters

4 ways you're doing your laundry all wrong that are harming the environment

Tech Insider : Environment
A side by side photo of a man throwing clothes into his washer with an incredulous look on his face and an up close photo of microplastics on someones hand.
The way you're laundering your clothes may be adding more microplastics into the environment.

Maryna Terletska/Getty Images ; Alistair Berg/Getty Images

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