Read the latest articles from Popular Science (Page 503)

a heat map showing dark red on the city of las vegas and radiating out yellow to bits of green at the edge of the map as you move further from the city
Climate Change

Satellite images of Las Vegas show just how extreme urban heat islands can get

Under the broiler of this week's heat dome, unshaded streets got up to 122 degrees.

The best Samsung watch composited
Smartwatches

Best Samsung watches

Smarten up your wrist with Samsung’s best wearable devices.

person sitting on airplane looking out the window
Life Skills

5 tips to soothe your fear of flying

Flying continues to be the safest mode of transportation.

Hubble’s largest near-infrared image helps astronomers see 10 billion years into galaxies’ past
Space Telescope

Hubble’s largest near-infrared image helps astronomers see 10 billion years into galaxies’ past

Created in a manner similar to a panorama, the resulting survey lets astronomers observe some of the Universe's oldest galaxies.

child jumping in pool with swimming goggles on
Life Skills

5 things you can do to reduce your child’s drowning risk

This is the top cause of death in young children.

Revenue tracking program on a screen
Computers

Best personal finance software

Find the right personal finance software to easily manage your expenses, budget, and savings.

a 747 in flight
Military

The UK’s military wishlist includes hypersonic weapons and small satellites

The United Kingdom plans on spending $2.5 billion in R&D on next-gen technology. Here's some of what they're pursuing.

An ocean below Earth’s crust could be key to a habitable planet
Science

An ocean below Earth’s crust could be key to a habitable planet

A new model suggests “mantle rain” from inside Earth’s mantle ensures we will always have a surface ocean.

container ship in the ocean
Technology

A new law takes aim at shipping costs and congested ports

Here’s how the Ocean Reform Act addresses the supply chain and price spikes.

The colorful Bo Kaap neighborhood in Cape Town.
Science

People enjoy colorful cities—even in virtual reality

For some psychological pep, add color to urban surroundings.

Microsoft's internet browser, Microsoft Edge.
Tech Hacks

10 reasons to try Microsoft Edge now that Internet Explorer is dead

They give the browser a real... edge.

a road in yellowstone park that has murky brown flood water covering part of it, blocking entrance to the park
Climate Change

Yellowstone National Park was never built to take on the rain and snow that comes with climate change

Under a warming climate, trends suggest that these kinds of 'rain-on-snow' flood events will become more common.

an electric chevy blazer
Electric Vehicles

What to expect from the Blazer, Chevy’s new EV

It could go head-to-head with Ford's Mustang Mach-E GT or Tesla's Model Y Performance. The full reveal is next month.

American flag suspended from an alien pole to signify recent UAP investigations by NASA and the DOD
NASA

UFO research is stigmatized. NASA wants to change that.

Discourse on aliens can be a touchy subject for service members and scientists gathering evidence.

Yellowstone floods could be flushing sewage into the park’s iconic river
Environment

Yellowstone floods could be flushing sewage into the park’s iconic river

A massive flooding event has shut down Yellowstone and damaged much of the park's infrastructure. The full extent of the damage is still unknown.

How the massive ‘flow battery’ coming to an Army facility in Colorado will work
Army

How the massive ‘flow battery’ coming to an Army facility in Colorado will work

Fort Carson is getting a 10-megawatt-hour redox flow battery system, which includes large tanks of liquid electrolytes.

The view of a hill from NASA's Perseverance rover on Mars.
Mars

How did Mars get its gasses? A special space rock holds clues.

A Martian meteorite suggests the Red Planet and Earth weren't created at the same speed.

a family of polar bears walk on a glacier
Global Warming

Greenland’s polar bears are learning to get around in a less icy world

A newly discovered population of polar bears uses freshwater ice flowing from glaciers for hunting grounds in the warming Arctic.

firefox browser on phone
Security

With site-specific ‘cookie jars,’ Firefox hopes to curb user tracking

The browser is rolling out "Total Cookie Protection" to make it harder to track user activities from site to site.

Person with black hair with a bald spot on their temple due to alopecia hair loss
Science

Alopecia patients finally have an FDA-approved hair-loss treatment

The oral drug restored hair growth in about half of patients after a year.