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Biology

Play Is Serious Business for Elephants

Caitlin O'Connell

Energy

The ‘Hydrogen Olympics’ Lit a Torch for the Clean Fuel’s Future

Tess Joosse

Epidemiology

Why Do Variants Such as Delta Become Dominant?

Sara Reardon

Planetary Science

Buried ‘Lakes’ on Mars May Just Be Frozen Clay

Mineral deposits, not salty water, are the most likely cause of radar reflections spotted beneath the planet’s south pole, a new study finds

Charles Q. Choi and SPACE.com

Biology

Play Is Serious Business for Elephants

Caitlin O'Connell

Energy

The ‘Hydrogen Olympics’ Lit a Torch for the Clean Fuel’s Future

Tess Joosse

Epidemiology

Why Do Variants Such as Delta Become Dominant?

Sara Reardon

Diversity

Conversations With Black Leaders in STEM

Diversity

Mentorship and Sponsorship Are Crucial for Advancing Inclusion in STEM

Marlene Stewart

Extraterrestrial Life

Extraterrestrial Life

To Understand UAP, We Need Megapixel Imagery

Avi Loeb | Opinion

Space Exploration

Space Exploration

Can the U.S. and China Cooperate in Space?

Leonard David

Policy

Canada’s Residential Schools Were a Horror

Ian Mosby and Erin Millions | Opinion

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Space & Physics

Announcing a New Plan for Solving the Mystery of Unidentified Aerial Phenomena

The newly organized Galileo Project will use a three-pronged approach to replace unreliable eyewitness reports with reproducible scientific observations

Avi Loeb | Opinion

The Crucial Vaccine Benefit We’re Not Talking about Enough

The vaccines not only prevent people from getting sick; they also cut down on transmission by those who get infected after immunization

Daniel P. Oran and Eric Topol | Opinion

Extraterrestrial Life

Harvard’s Avi Loeb Thinks We Should Study UFOs—and He’s Not Wrong

As a SETI scientist, I’m grateful that he has the freedom—and the guts—to go where few would dare to go

Seth Shostak | Opinion

Space & Physics

Learning to Live in Steven Weinberg’s Pointless Universe

The late physicist’s most infamous statement still beguiles scientists and vexes believers

Dan Falk | Opinion

Quantum Mechanics, Plato’s Cave and the Blind Piranha

Can we ever really know the world?

John Horgan | Opinion

How the Delta Variant Spreads So Quickly

Viral load is roughly 1,000 times higher in people infected with the Delta variant than those infected with the original coronavirus strain, according to a study in China

Sara Reardon and Nature magazine

Special Report

Conversations With Black Leaders in STEM

Conversations With Black Leaders in STEM

Diversity

Black innovators and leaders discuss career paths, mentorship and diversity in science. This speaker series is hosted by the Black Employee Network at Springer Nature, the publisher of Scientific American.

August 2, 2021

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Editor's Picks

Science in Images

Science in Images

Photos and videos from all the disciplines of science. See the full collection. Credit: Ted Kinsman Science Source

Videos

These Dinosaurs Had a Complicated Air Conditioner in Their Skull

Cooling 5,000-pound, armor-plated giants was no small feat.

July 21, 2021

Computing

How Does a Quantum Computer Work?

July 7, 2021

Biology

See the Beautiful Color of Rare Birds from Every Angle and in Three Dimensions

June 30, 2021

Fitness

What Is the Immune System, and How Does It Work?

June 24, 2021

Fitness

Nutrition, Immunity and a Global Pandemic

June 24, 2021

Podcasts

COVID, Quickly, Episode 12: Masking Up Again and Why People Refuse Shots

60-Second Science

COVID, Quickly, Episode 12: Masking Up Again and Why People Refuse Shots

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