New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history.
An experiment in the Canary Islands uses quasars at opposite ends of the universe to settle the debate over the physical phenomenon of quantum entanglement.
An investigation into the increased activity at the Kilauea volcano in Hawaii, and a look at why these geologically distinctive volcanoes formed in the middle of the Pacific.
Archaeological research by Mark Lehner and Zahi Hawass sheds light on some of the mysteries of the Egyptian pyramids.
Private companies develop new ways to allow for more human activity in space; NASA builds a rocket that goes far beyond Earth.
Assessing the risk of a potential eruption of an ancient supervolcano under the Italian city of Naples.
Scientists, engineers and political leaders devise a plan to save the Dead Sea, whose levels have declined by more than 65 feet since 1976.
Scientists try to determine the cause for the increasing megafire threat by exploring the physics of fire, how firestorms move and travel and by analyzing aerial drone and satellite data to catch fires before they start.
Canadian anthropologist Niobe Thompson travels to sites in Kazakhstan, genetics labs in Denmark and anthropology museums in Russia to unlock mysteries surrounding the first riders of wild horses.
Forensic archaeologist Cat Jarman and her team investigate the Great Heathen army, a legendary Viking fighting force that invaded England in the 9th century.
Fifty years after humans first stepped foot on the moon, engineers, scientists and entrepreneurs engage in new discoveries to make life on the moon a reality.
The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life.
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.
Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.
NASA's Cassini probe explores Saturn's icy rings and moons, capturing ring-moon interactions and revealing ingredients for life on the moon Enceladus.
Uranus and Neptune's unexpected rings, supersonic winds and dozens of moons; an up-close view of Pluto before exploring the Kuiper belt.
The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down.
Exploring the possibility of self-driving cars, including whether they could really be safer than human drivers.
New technologies help scientists decipher the ancient Dead Sea Scrolls, and also study newly surfaced fragments to see if they are forfeited.
Camera traps and drones offer an up-close look at animals without disturbing them, providing insight into the secret world of animals, including whales, tigers and giant armadillos.