Elizabeth Goldbaum

An ultramarathon runner overcame an early injury, sleep deprivation and steep terrain to complete an astounding 2,189-mile run along the Appalachian Trail in 46 days and 8 hours.

Photos from a search expedition to solve the mystery of Amelia Earhart's disappearance.

A new app aims to change how you view time, by moving beyond hours, minutes and seconds to reveal your position in the cosmos and relate that position to the movement of celestial bodies.

Instead of keeping a departed loved one's ashes in an urn over the fireplace, why not breathe new life into them, in the form of a tree that can sit in your living room or outside on your porch?

A new body-scanning mirror could soon have you asking, "Mirror, mirror on the wall, who's the fittest of them all?"

A new anti-snore gadget could help you turn down the volume of your partner's snoring and turn up the quality of your beauty sleep.

A new gadget can help people identify pollutants — some smaller than the width of a hair — in their homes.

A sleek, white gadget that looks more like a trendy speaker than a tool for water conservation could stop people from wasting precious H2O, said one Silicon Valley startup.

An elusive sea creature that boasts a vibrant golden shell covered in thick, slimy hair was recently spotted for the first time in 31 years, researchers say.

Louisiana's dramatically enlarged lakes and inundated marshes — stark reminders of Hurricane Katrina’s ferocity 10 years ago — are prominent in a new satellite image.

Viruses related to the human immunodeficiency virus (HIV) have infected Old World monkeys as far back as 16 million years ago, according to a new study.

A field of grey, motionless kangaroos staring down a bicyclist in a recent YouTube video is not evidence of marsupial zombies, scientists say — though the pouched Australians look eerily possessed.

A "robber frog" with beady, gold-rimmed eyes and a bizarre bat with a record-long tongue are among the menagerie of species discovered during an expedition in Bolivia.

A so-called fire rainbow filled the sky with a haze of colors over Charleston, South Carolina, on Sunday (Aug. 16) in a recent photo posted to Twitter by Tiffany B. Jenks.

Years of unrelenting drought are straining a large reservoir of water between Nevada and Arizona, new satellite images reveal.

Officials are pulling out pieces of the CSS Georgia, a Confederate warship, from the depths of the Savannah River, 150 years after the ship's crew deliberately sunk it.