Elon Musk's Starlink satellites could burn up the ozone layer, scientists warn

Tech Insider
Elon Musk SpaceX
Elon Musk near a Falcon 9 rocket at SpaceX headquarters in Hawthorne, California in 2018.

David McNew/Getty Images

My son's video game habit worried me but it fueled his interest in coding, robots, and AI. At age 16, he won $55,000 at a science fair.

Tech Insider
teenage boy in red shirt working on tiny computer and three smartphones on a white card table with small plants growing under a grow light an a white cat sitting on an armchair beside him
John Benedict Estrada works on infrared images for his science fair project.

Maria Estrada

Scientists finally think they know why giraffe necks are so long

Tech Insider
two adult giraffes walking with one smaller baby giraffe on a grassy plain
A new study questions the decades-long theory about why giraffes have such long necks.

Douglas Cavener

Jeff Bezos has a vision to colonize space with a trillion people. We asked experts to put it to the test.

Tech Insider
Amazon CEO Jeff Bezos
Jeff Bezos dreams of a future where a trillion humans live inside gigantic space stations floating throughout the solar system.

AP/Ted S. Warren

Falling birth rates are freaking countries out and spawning dubious fixes like tax breaks, cheaper cars, and free surgery

Tech Insider
A graphic showing fertility rates on the decline.
Countries with declining fertility rates have experimented with novel solutions to try to get women to have more babies.

TanyaJoy/Getty Images

Why 4 new bird flu developments have experts worried about the virus

Tech Insider
lineup of black and white cows sticking their heads thorough a metal fence with some cows looking at a small black bird standing on the dirt path in front of them
Since H5N1 made the unexpected jump from birds to cattle, experts are increasingly worried about human spread.

Rodrigo Abd/AP Photo

Scientists used AI to figure out elephants have names for themselves

Tech Insider
image of two elephants fighting or playing with their trunks
Elephants in Kenya in 2023.

Eric Lafforgue/Art in All of Us/Getty Images

A mysterious hole on Mars could be a jackpot of scientific discoveries, from extraterrestrial life to where astronauts could live

Tech Insider
white surface on mars with a dark hole near the center that could be a portal to an underground lava tube
This 2022 image taken by the HiRISE camera onboard NASA's Mars Reconnaissance Orbiter has reignited the conversation around these mysterious holes on Mars.

NASA/JPL-Caltech/UArizona

Scientists studied 8,000 cats to determine which breeds live the longest, and it could help you become a better pet owner

Tech Insider
A vet examines a white cat
A recent study looked at cat breeds to determine which live the longest.

Peter M. Fisher/Getty Images

What you need to know about the giant, 'flying' spiders spreading over the eastern US

Tech Insider
A black-and-yellow Joro spider in a web
Joro spiders are an invasive species in the US, but they aren't as scary as they seem.

David Madison/Getty Images

Subscribe to Science