A new study finally sheds light on our mysterious cosmic neighbors and sets a planet-hunting record.

When whales migrate from their cold feeding grounds to warmer breeding waters, they carry tons of nutrients in their urine.

Researchers refined their size estimates of the prehistoric shark by studying the bodily proportions of 165 other shark species.

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for studying sleep disorders.

A female bladderwrack seaweed plant in the Baltic Sea propagated clones across hundreds of miles.

The battery uses solar power generated by crystals that emit light when they absorb radiation.

Two archaeologists discovered the ceramic figurines—possibly used as puppets—at the top of a pyramid, and three of them have adjustable heads.

Climate scientists thought stronger atmospheric rivers would accelerate Greenland's ice loss—but it might actually be slowing it down.

Researchers reconstructed the history of an unusual 30-year-old bird nest based on the expiration dates printed on plastic waste in the structure.

Computer models that factor in the Sun's impact on Earth's surface temperatures are providing more accurate simulations of past earthquakes.

New research suggests certain sleep patterns can help predict whether comatose patients will regain consciousness.

The recently discovered copy of Sonnet 116 "reads as a political love song" during England's Civil Wars, according to the professor who found it.

Researchers identified underground sedimentary layers on Mars similar to coastal formations on Earth.

The longer tea steeps, the more contaminants it filters out of the water—but the tea bag matters.

Did the decapitated heads belong to venerated community members or defeated enemies?

e-Taste sits on your lower teeth and delivers flavors directly into your mouth in response to remote stimuli.

Apparent 23,000-year-old tracks may have been left by Paleoindians pulling wooden vehicles carrying resources—and possibly even children.

Lab mice with glioblastoma lived longer with a new combination treatment than with radiation alone—and some even achieved long-term tumor control.

A recent study compared features of Neanderthals' inner ears across space and time to extrapolate what happened to them tens of thousands of years ago.

A new study challenges the notion that anatomically modern humans began inhabiting rainforest habitats just 70,000 years ago.