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Small start-ups and big professional platforms are using AI to find and recruit new hires—but these tools can reinforce bias

The search for a mysterious planetary body beyond Neptune has narrowed down its possible location—if it exists at all

As hard as it is to study these denizens of the deep, researchers have found some intriguing evidence to support the idea that “sperm whale culture” exists.

A recent study suggests that Paxlovid is ineffective at treating symptoms in people with mild illness or those who have been fully vaccinated. It is still a lifesaving medication in vulnerable groups

Compound events in which coastal flooding and heat waves occur at the same time are happening more often as the planet warms

New discoveries demystify the bizarre force that binds atomic nuclei together

Ancient prophecies of worlds destroyed by fire are becoming realities. How will we respond?

In just one year of observations, a program that is creating the largest 3D map of the universe to date has sniffed out hints that dark energy may be stranger than scientists supposed

The new science of "exposomics" shows how air pollution contributes to Alzheimer’s, Parkinson’s, bipolar disorder and other brain diseases

Three years ago astronauts threw out the largest piece of trash ever tossed from the International Space Station. Now some of it has punched a hole through a house in Naples, Fla.

Insertion of genetic material from a virus into the genome of a vertebrate ancestor enabled the lightning-quick electrical impulses that give animals with backbones their smarts

A person-centric scientific conference demonstrates that gathering can counter the isolation of underrepresentation

The ocean’s twice-daily rise and fall is only the most obvious effect of tides—they slow Earth’s spin and shape stars and galaxies, too

The deadly virus was practically eliminated in the U.S., but now it’s infecting more people.

The bioengineered immune players called CAR T cells last longer and work better if pumped up with a large dose of a protein that makes them resemble stem cells

A new EPA rule will limit PFASs, or “forever chemicals,” in your drinking water for the first time. Here’s what that means for you

Experience may matter more than innate ability when it comes to a sense of direction

The U.S. needs to vastly increase taxpayer spending on direct carbon removal technology to meet President Biden’s climate goals, the Rhodium Group says

The crime issue, a focus of the 2024 presidential election, is sometimes rooted in the misplaced fears of people who live in some of the safest places

Chanda Prescod-Weinstein, a professional astronomer, talks about her own adventures in astrophotography—and offers tips and tricks for new amateur astronomers.