A gold miner found a mysterious grapefruit-sized fur ball. It turned out to be a 'perfectly preserved' 30,000-year-old squirrel.

Tech Insider
A stiff ball of brown fur sits in a pair of human hands wearing white surgical gloves.
This ball of brown fur and gnarled legs and claws turned out to be a mummified Arctic ground squirrel.

Yukon Government

NASA refused to name its new UFO chief, then quietly added his identity to a press release hours later

Tech Insider
UFO
An apparently unidentified object detected on a Navy plane’s infrared camera.

US Department of Defense/Navy Times

Mysterious flashes of light on Venus aren't what scientists thought, according to a new study. And it could mean safer missions to the planet in the future.

Tech Insider
venus nasa
Venus has a mysterious display of light shows and scientists can't agree on what's causing them.

NASA

NASA says UFOs are probably balloons, planes, or solar glints — but not aliens

Tech Insider
An illustration of an Alien waving.
Aliens probably aren't the cause of UAP, but NASA is determined to find out what is.

MediaProduction/ Getty Images

Earth's mysterious core may be encased by an ancient ocean floor that has mountains 5 times taller than Everest

Tech Insider
An illustration shows the Earth's core wrapped in red matter representing a newly discovered structure that may be wrapping around the Earth's core.

Scientists found a massive lithium deposit inside an ancient US volcano that could be a game-changer for American clean energy but spell disaster for Native Americans

Tech Insider
A general view shows the brine pools of Albemarle Chile lithium plant placed on the Atacama salt flat
A general view shows the brine pools of Albemarle Chile lithium plant placed on the Atacama salt flat.

REUTERS/Ivan Alvarado/File Photo

Stunning video appeared to show 2 humpback whales trying to save a seal from a pod of orcas, but the seal may have been trying to hide behind the gentle giants

Tech Insider
Humpback whale adult and baby; pod of orcas at water surface
Orcas sometimes prey on humpback whale calves.

Kara Capaldo/Getty Images; Ron Sanford/Getty Images

What the James Webb Space Telescope's discoveries on another planet mean — and don't mean — for the search for alien life

Tech Insider
illustration of shadowy blue planet in space with a distant red star in the background
Exoplanet K2-18 b is not a planet astronomers would typically think to search for alien life.

NASA, CSA, ESA, J. Olmsted (STScI)

India's moon lander is the first to study the lunar south pole region up close. Here are 5 scientific discoveries it's already made.

Tech Insider
Image of the rover on board India's moon lander.
The lunar rover that recently landed near the moon's south pole is about as big as a medium-sized dog.

Indian Space Research Organization

Recognizing the rights of climate refugees is the first step to relocating the millions of vulnerable island-nation residents who could be displaced in the next 3 decades

Tech Insider

One Planet Banner Test

Insider

Subscribe to Science