Latest

Louisiana is making bold climate goals, but still wants its fossil fuels
May 18, 2021 6:00 AM
Environment
Can I be allergic to alcohol?
May 17, 2021 5:00 PM
Health
The US will send 20 million COVID-19 vaccines to countries in need
May 17, 2021 4:00 PM
Health
Fitbit Inspire 2 review: A near-perfect introduction to fitness trackers
May 17, 2021 3:03 PM
Reviews
Mars may have had recent volcanic eruptions—which is great news for finding life
May 17, 2021 2:00 PM
Space
Snag a three-year subscription to PlayStation Plus for a great price
May 17, 2021 1:59 PM
Sponsored Post
Power outages leave people with life-saving medical devices to fend for themselves
May 17, 2021 1:00 PM
Health
Keep your dog close and controlled with the best dog leash
May 17, 2021 11:59 AM
Reviews
Autonomous war machines could make costly mistakes on future battlefields
May 17, 2021 11:00 AM
Technology
How does BMI change your COVID-19 risk? The answer reveals how little we know about body fat and health.
May 17, 2021 10:00 AM
Health

Featured in light

By May 4, 2021
Technology

Understanding the weird Biden-Carter photo could help you take better selfies

It's likely not lens distortion that caused the curious appearance. Instead, it's something called perspective distortion.
By Feb 15, 2021
Technology

This lightbulb is more than 100 years old—and it still works

A former fire chief recounts the story of a light that never burns out.
By Jan 19, 2021
Science

In perfect conditions, rainbows can come alive at night

They’re called moonbows, y’all.
By Dec 30, 2020
Science

Fireworks scare us—that’s why we love them

Our brains enjoy fear, but only in small, controlled doses.
By Sep 17, 2020
Science

How raging wildfires create hellish skies across the country

The strange effect is now creeping over to the East Coast.
By Jul 17, 2020
Science

These ultra-black fish camouflage with the darkness of the deep sea

They can almost vanish—escaping predators and sneaking up on prey.
By May 8, 2020
DIY

Stay-at-home science project: Bake s’mores using the power of the sun

Get that albedo going.
By Feb 12, 2020
Space

Asteroids go to pieces when their host star dies

Dying stars may spin asteroids apart from afar.
By Feb 12, 2020
Technology

Samsung’s 100x zooming smartphone camera requires a fancy lens and impossibly steady hands

Samsung’s new Galaxy S20 Ultra promises massive reach, but good luck holding it steady.
By Jan 9, 2020
DIY

Light your photos like a pro

First tip: Midday lighting makes everything look bad.