What it will take to modernize the American grid and usher in the clean-energy revolution

Tech Insider
large transmission power lines
To reach a carbon-pollution-free grid by 2035, we'll need to build up to 10,100 miles of new transmission lines.

Anton Petrus

Floods in Brazil spark conspiracy theories over the cause, including toxic jet vapor trails and antennas in Alaska

Tech Insider
PORTO ALEGRE, BRAZIL - MAY 11: A speedboat tows a boat transporting people who were rescued from the floods on May 11, 2024 in Porto Alegre, Brazil. According to the Meteorological Service, a cold front is causing new heavy rains that can exceed the 150 mm causing more damage to the city and increase in the water levels.

16 things you shouldn't recycle — even if you think you can

Tech Insider
recycling truck
Recycling standards vary widely across the US, which can make it confusing to know what your city will pick up and what you need to drop off yourself.

ryasick/Getty Images

10 photos of the Northern Lights dazzling in the night sky across the US and Europe caused by massive geomagnetic storm

Tech Insider
You can see the Northern Lights in Alaska.
You can see the Northern Lights in Alaska.

CNaene/Getty Images

Earth is bracing for a 'severe' geomagnetic storm and it probably won't be the last for this year

Tech Insider
solar ejections
We're entering solar maximum, a period of heightened solar activity that could cause more auroras, power outages, and communication blackouts.

All About Space Magazine/Getty Images

A 'severe' geomagnetic storm is forecast for Earth for the first time in years — here's what to know about these storms

Tech Insider
Satellite image of the sun's corona
NOAA's GOES-16 satellite captured this image of activity in the sun's corona on May 10.

NOAA

The first severe solar storm in 20 years could spark aurora across the US

Tech Insider
Aurora
Aurora are usually contained to the uppermost art of the Northern Hemisphere. But US states as far south as Michigan may be able to see them this Friday.

George Lepp/Getty Images

A hiker discovered a wealthy traveler's remains on a skiing glacier in Switzerland. They turned out to be 400 years old.

Tech Insider
archaeologist with grey curly hair wearing glasses black and white striped t shirt and blue medical gloves holding a tattered ancient leather shoe
Pierre-Yves Nicod holds the mystery traveler's 400-year-old shoe.

Morgan McFall-Johnsen

Photos show what cave divers discovered when they swam inside an iceberg the size of Jamaica. Today, it's gone.

Tech Insider : Environment
A scuba diver swimming inside an ice cave
Paul Heinerth rises out of a cave inside a fragment of iceberg B15, which calved from Antarctica in the spring of 2000.

Jill Heinerth

Theranos founder Elizabeth Holmes' prison time gets shortened — again

Tech Insider
Elizabeth Holmes walking past a bush while heading toward a white-brick building with a blue sign that reads
Theranos founder Elizabeth Holmes, left, reported to a women's prison in Bryan, Texas, on May 30, 2023, to begin serving her sentence.

Michael Wyke/Associated Press

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