A new study indicates that, someday, energy could be extracted from black holes.

A healthy starfish is pictured. Sea stars along the Pacific Coast are not so fortunate.

The paddle-shaped device consists of a harvester containing microchips for wireless communication.

Desalination membranes remove salt and other chemicals from water.

A blazar with its jet pointed toward Earth, the brightest radio-emitting blazar yet seen.

A 2019 eruption of Steamboat Geyser in the Norris Geyser Basin of Yellowstone National Park.

Scientists have created a tool that can improve estimating hazards of future volcanic eruptions.

Image of a dust plume crossing the Korean Peninsula.

Scientists have discovered that chromatin in a cell is a solid, not a liquid

Plants that grew in both the Cretaceous and Paleogene periods.

The rice coral Montipora capitata in waters near the Hawai'i Institute of Marine Biology,

The Occoquan Reservoir supplies water to some two million people in Northern Virginia. 

Meadows, forests and mountain ridges create the high alpine landscapes of Niwot Ridge.

The herringbone pattern in these sands is the result of water movement in a past ocean tidal system.

A drone flies toward a rainstorm in the Amazon. 

Hydrothermal venting at the cone site in the Brothers volcano

Map showing the probable location of Punt.

New findings open the way for large Antarctic icebergs to be included in global climate models.