"Portrait of Fräulein Lieser," one of the last works the Austrian artist painted before his death, could sell for over $50 million

Protected by bulletproof glass, Leonardo da Vinci’s famous masterpiece was not harmed

Set to launch in 2035, the European Space Agency's LISA mission will listen for gravitational waves created by colliding black holes and neutron stars—and some might date nearly to the Big Bang

Robopteryx—a makeshift dinosaur with training wheels—offers clues to the purpose of prehistoric proto-wings, which are too small to have powered flight

The changing climate may have had ripple effects that made people more susceptible to disease, new research suggests

These detailed infrared views, which contain millions of stars, will help astronomers better understand star formation and the evolution of spiral galaxies

Billy Mag Fhloinn located the Altóir na Gréine, thought to have vanished in the 19th century, in southwest Ireland

The park's naturally heated waters drew unprecedented numbers of the marine mammals, which are especially vulnerable to the cold

"California," which set the stage for the British artist's later poolside pieces, is expected to sell for more than $20 million

The Tampa community raised money to fund an investigation, and now, a local scientist will install underwater microphones to look for the source of the racket

Smithsonian scholars offer their reflections on the author, who died last week at age 89, and his impact on a new generation of Native writers

One species was found brooding eggs near low-temperature hydrothermal vents, a rare sight that could unlock new information on deep-sea cephalopods

Fashion designers have created a fabric inspired by the Glen Affric tartan, which was discovered in a peat bog and dates to between 1500 and 1600

Moths and other insects might turn their backs toward the brightest source of light around—which has historically been the sky—to determine which way is up and which is down, according to a new paper

Authorities presented "The Schoolmistress" to 96-year-old Francis Wood, the owner’s son, last month

Diagnoses of the sexually transmitted infection rose by nearly 80 percent between 2018 and 2022, according to a new report from the CDC

Terry Martin has been sentenced to one year of supervised release for swiping the iconic "Wizard of Oz" shoes from the Judy Garland Museum in 2005

Jonathon Keats, who devised the plan, hopes the camera will inspire onlookers to contemplate how humanity’s actions affect the environment

The insects' population is slowly rebounding from a historic low in 2020, but they remain in crisis, having declined by more than 95 percent since the 1980s

The archive belonged to Herman Matzinger, who performed the autopsy on the 25th president and conducted a bacteriological analysis to rule out the possibility of poison-tipped bullets