Who owns the moon? | Live Science

A digital rendering of an astronaut walking on the moon. (Image credit: fStop Images – Caspar Benson) The flags of two countries hang unfurled — not by any breeze but by metal wiring — over the desolate, eerily still surface of the moon. One is the stars and stripes of the United States; the other, […]

Cannabis is no better than a placebo for treating pain, 20 studies show

Many people use cannabis to manage pain. (Image credit: photolona/ Shutterstock) Cannabis is one of the most widely used drugs (opens in new tab) in the world. While there are only a few countries where cannabis is legal for recreational use, many more countries have legalized the use of cannabis for medical reasons (opens in new tab). Reducing […]

FDA approved a 1st-of-its-kind treatment made from human poop. What does it do?

For the first time, the Food and Drug Administration (FDA) has approved a treatment that’s made using donated human poop, the agency announced (opens in new tab) Wednesday (Nov. 30). The treatment, called Rebyota, contains gut bacteria collected from the stool of healthy human donors and is approved for the prevention of a potentially life-threatening […]

Colossal ‘planet killer’ asteroid sparked mega-tsunami on Mars, and now we know where it landed

An artist’s interpretation of a killer asteroid exploding on impact with the Red Planet. (Image credit: Shutterstock) (opens in new tab) A newly discovered impact crater on Mars was likely left by an enormous asteroid that slammed into the Red Planet around 3.4 billion years ago and may have triggered an 800-foot-tall “mega-tsunami.” The colossal […]

A man went to the doctor about a cough. It turns out, he had a 6-inch mass in his chest.

An otherwise healthy man developed a worrisome cough that persisted for three weeks without any other symptoms. It turns out, the cough was triggered by a nearly 7-inch-long (17.2 centimeters) mass pushing against his right lung. According to a description of the case, published Oct. 30 in the Journal of Surgical Case Reports (opens in […]