Astronomers once gazed at the night sky and charted the stars using their naked eyes. Astrophysicist Emily Levesque describes how generations of telescopes have unlocked the wonders of the universe.

Lightning strikes may have supplied a key ingredient that allowed life to emerge on early Earth, according to a new study of "fossilized" lightning.

This week’s Medical Minute, discusses how high doses of CBD, a compound found in the cannabis plant, has been found to reduce the accumulation of beta-amyloid plaque in the brain that is a hallmark of Alzheimer’s disease.  

In 1721, London was in the grips of a deadly smallpox epidemic. One woman learned how to stop it, but her solution sowed political division.

Cuttlefish, the squishy sea creatures, showed impressive self-control in an experiment. It means they have something in common with primates.

This week’s Medical Minute, discusses how acute kidney damage…caused by things such as car accidents or serious illness like COVID-19…is causing problems for young women who become pregnant after tests indicate the kidney injury has healed.

In Southern California, pollutants from wildfire smoke caused up to a 10% increase in hospital admissions. Researchers say there's a need for better air monitoring and public health programs.

A signed, sealed but not delivered letter from 1697 has finally been read with the help of a high-tech scan that looked inside without breaking its seal.

Utah is considering naming a new park in honor of dinosaurs discovered there. Researchers expect to uncover more Utahraptor bones — provided they can get them out of a massive block of rock.

Getting COVID-19 tests and vaccine to essential workers on commercial farms and in meatpacking plants requires more than a pop-up clinic miles away. A positive test can be financially devastating.

If you've been delaying routine medical care in the past year, now's the time to catch up, doctors say. The consequences of missing some key screenings and health checkups can be lethal.

Advisers to the Centers for Disease Control and Prevention voted to endorse the emergency use of a single dose of a vaccine made by Johnson & Johnson. A study showed it was 66% effective in the U.S.

Scientists have found that two-way communication is possible with someone who is asleep and dreaming. Specifically, lucid dreaming — dreaming while being aware you're dreaming.

This week’s Medical Minute, discusses how a common diabetes drug is helping treat inflammation that lingers up to a year after a traumatic brain injury.

A new study in The Lancet Planetary Health finds that cultural attitudes may explain the stark differences in how countries experience the pandemic.