Dry eye disease affects millions of people, causing burning, redness, and constant eye fatigue that can worsen over time. Scientists now believe the problem may begin deep inside tear glands, where... Read more Dry eye disease affects millions of people, causing burning, redness, and constant eye fatigue that can worsen over time. Scientists now believe the problem may begin deep inside tear glands, where a vital cellular cleanup process fails to function properly. By growing miniature human tear glands from stem cells, researchers were able to watch what happens when this system breaks down, leading to fewer protective tears and increased cell damage. Show less

A rare alignment of the Moon’s perigee, Earth’s perihelion, and clear winter skies will make January’s Wolf Supermoon one of the brightest in years.

Crammed full of epic scenery, steaming geysers, plants and animals, Yellowstone National Park is a spectacular place to visit, but how hot is your knowledge on it? Tak... Read more Crammed full of epic scenery, steaming geysers, plants and animals, Yellowstone National Park is a spectacular place to visit, but how hot is your knowledge on it? Take our quiz to find out. Show less

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and trigger geomagnetic storm conditions. ... Read more Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and trigger geomagnetic storm conditions. Show less

In the shallow waters of the Florida Keys, juvenile Caribbean spiny lobsters are unwittingly meeting their doom by stumbling into naturally occurring ecological traps, according to a new study publ... Read more In the shallow waters of the Florida Keys, juvenile Caribbean spiny lobsters are unwittingly meeting their doom by stumbling into naturally occurring ecological traps, according to a new study published in the Proceedings of the National Academy of Sciences. Show less

From protecting against ageing to helping you sleep, Dr Alex George lists the benefits of running.

La ville de Las Vegas, dans le désert du Nevada, est connue pour ses casinos, ses attractions, mais aussi, pour sa chaleur insupportable. Pour beaucoup d’entre nous, imaginer Las Vegas enneigée rel... Read more La ville de Las Vegas, dans le désert du Nevada, est connue pour ses casinos, ses attractions, mais aussi, pour sa chaleur insupportable. Pour beaucoup d’entre nous, imaginer Las Vegas enneigée relève de la fiction. Et pourtant, il n’y a pas si longtemps, la ville s’est retrouvée sous la neige... Show less

Quand l'anxiété tient vos paupières ouvertes, le silence de la nuit peut devenir un véritable champ de bataille. De plus en plus de personnes se tournent vers les plantes pour retrouver le calme et... Read more Quand l'anxiété tient vos paupières ouvertes, le silence de la nuit peut devenir un véritable champ de bataille. De plus en plus de personnes se tournent vers les plantes pour retrouver le calme et le sommeil. Parmi les reines de l'apaisement, deux noms reviennent sans cesse : la passiflore et... Show less

Seven-year-old Border Collie Harvey has been accepted into several studies for genius pooches after being able to fetch any of his toys by their name on command.