Bad mood? Puffy face? Immune issues? Across TikTok and Instagram there are scores of influencers ready to sell you some products—without ever sending you to a doctor.

Long before TikTok and probiotics, animals were teaching each other tips on feeling better, from swallowing leaves to get rid of parasites to using icebergs for exfoliation.

Millions of people suffer debilitating reactions in the presence of certain scents and chemicals. One scientist has been struggling for decades to understand why—as she battles the condition herself.

Unlike Elon Musk's brain-computer interface, Synchron's doesn't require open-skull surgery, and it has an OpenAI chatbot baked in.

US health officials, from RFK Jr. on down, have made some wild claims. See if you can name the person responsible for these quotes and factoids.

Attempting to eliminate funding for certain kinds of “woke” studies, the Trump administration erased hundreds of millions of dollars being used for cancer research.

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go to the ends of space and time to find a fix.

Reforming California’s environmental rules is only a small step to rebuilding Los Angeles after the fires in January.

The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same for all observers.

In an industry where 90 percent of drug candidates fail before reaching the market, a handful of startups are betting everything on AI to beat the odds.

The US almost lost its measles elimination status once. Lessons from that episode suggest it will be more difficult to avoid doing so now.

At a Pittsburgh summit, the Trump administration, energy executives, and tech barons joined as one to promote AI as the future of fossil fuels.

Long thought to be completely disordered, space ice appears to have some crystallized regions, new research suggests.

One computer scientist’s “stunning” proof is the first progress in 50 years on one of the most famous questions in computer science.

A team of astronomers recently discovered the traveling space object, just the third of its kind to pass through our solar system.

There are just a few weeks left to tap federal programs that make purchasing an EV, heat pump, or solar panels more affordable.

In July and August two spectacular meteor showers will arrive in quick succession. Here’s everything you need to know to watch them and the other major showers that will appear in 2025.

Patients and doctors are turning to AI for diagnoses and treatment recommendations, often with stellar results, but problems arise when experts and algorithms disagree.

The findings of two recent studies give hope that the disease could one day be reversed in humans—but experts warn that this complex disease will likely need multiple complementary treatments.

A polo legend and a businessman joined forces to copy the player’s greatest horse. But with a single clone worth $800,000, some technologies are a breeding ground for betrayal.

The SJ-21 and SJ-25 satellites “merged” on July 2 and have remained together since then.

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of conventional astronomy theory, and is making experts reconsider conventional notions of planet formation.

Disinformation around a “weather weapon” and cloud seeding is being widely promoted by everyone from anti-government extremists to GOP influencers—leading to real-world consequences.

Crude-oil-derived substances in the candy have been linked to health problems—and the regulations that have allowed their use in the US are now in Robert F. Kennedy Jr.’s crosshairs.