Read the latest articles from Popular Science (Page 705)

An image taken by the European Southern Observatory in Chile shows the Apep star system and the stellar dust particles surrounding it.
Black Holes

This pair of dancing stars will one day collide and explode

They could give us insight into the biggest kinds of explosions in the Universe.

A SpaceX rocket seen launching from Cape Canaveral in Florida.
Space X

The military wants one-hour global delivery. SpaceX thinks it can pull it off.

Because rockets are much, much faster than planes.

sand dunes and trees at hither hills state park on long island
Climate Change

We didn’t track hurricanes hundreds of years ago—but trees did

Researchers are trying to extend the tropical storm record by looking inside ancient coastal trees.

A yellow fever mosquito discretely sinks its labrum into its prey
Evolution

Evolution made mosquitos into stealthy, sensitive vampires

With facial features to die for.

Paleontologist Jingmai O'Connor birding with her mother in China
Dinosaurs

Birds are dinosaurs, and this fossil detective has rooms full of bones to prove it

Paleontologist Jingmai O’Connor looks back millions of years to find hidden bridges in evolutionary history.

dentists working with full PPE
COVID-19

Don’t worry. Your dentist probably won’t catch COVID-19.

Early on in the pandemic, there was worry that dental offices could be a source of infection for both patients and dentists.

basketball
COVID-19

The NBA bubble was a one-of-a-kind COVID-19 success story

Masks and social distancing were crucial elements.

A ruby-throated hummingbird that hit a glass window, held in someone's hand
Birds

How to help an injured bird

You don’t need specialized skills to get a hurt or stunned bird to safety.

GE9x engine
Aviation

The world’s biggest jet engine, explained

The inside of the GE9X gets about as hot as lava. It can create 105,000 pounds of thrust. And it’s very large.

people walking on path at geysers in yellowstone
COVID-19

National Parks are logging record crowds. Here’s how to visit safely.

Treading lightly is especially important now.

A man holds a survival mirror to his face to reflect on his other hand.
Projects

A signal mirror could save your life in the wild—here’s how to use one

If you get lost in the wilderness, you can use reflected light to flag down a rescue plane or helicopter.

a fried egg on top of tomatoes on a white plate
The Weirdest Thing I Learned This Week

Egg yolk color doesn’t mean what you think it does

And other bizarre facts from “The Weirdest Thing I Learned This Week.”

Couple walking while wearing masks
COVID-19

COVID-19 might not ever truly go away

It’s unclear how long vaccines and other modes of immunity will last.

canned tomatoes in jars on a marble countertop near a plant
Projects

How to can your favorite foods without dying

You’ve got to be careful when you’re preserving produce.

Katsura leaves
Science

Why autumn air smells so delicious and sweet

The biggest culprit is a beloved exotic tree.

newborn baby holding mother's finger
COVID-19

COVID-19 doesn’t have to jump from mother to newborn

With proper precautions, COVID-19 transmission from mother to newborn baby is low.

a whole fish and a knife
Projects

Stop living in fear and buy the whole fish

A zero-waste meal is the best meal.

moon
Moons

Landing on the moon only made us love it more

When space entered the realm of scientific inquiry, many wondered if the eternal mystique of the moon would survive.

vaccine generic
Vaccines

A taskforce of Black doctors is independently evaluating COVID-19 vaccine candidates

There are many reasons why some Black Americans are wary of participating in vaccine trials.

a black bear standing near a tree
Life Skills

Simple tips for getting black bears to leave you alone

The more prepared you are, the easier it’ll be to scare them off.