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Radio spectrum is a critical but limited resource, but advances in technology are making it possible to share.

Huachuma, the Andean cactus better known as San Pedro, contains mescaline, a psychoactive compound that alters perception and mood.

The people who stretch a person's sense of humanity may be the ones no algorithm currently selects.

Berry's belief that humans have a responsibility to care for God's creation traces back to the Book of Genesis. So does an opposing argument for environmental exploitation.

A new study shows what microbes and odors on human skin appeal to different species of mosquitoes.

Search engines, social media and AI models can be made as safe and reliable as bridges and water supplies.

Congress never built a path from temporary status to permanent residence, leaving many people facing deportation with little recourse.

Research has repeatedly found that stadiums generate little economic benefit, while subsidy referendums often fail when put before voters. Yet team owners continue to receive billions in tax dollars.

There is a strange nostalgia in realizing that something once so immediate now belongs increasingly to people who know it only as the past.

After the deadly Grand Canyon flood, a geologist and avid hiker explains what nature lovers need to prepare and watch for to stay safe.