A supermassive black hole at the center of a distant galaxy gently pumps out energy at regular intervals that keeps the black hole's growth in check, astronomers report.

An Egyptian mummy preserved with a pained facial expression could be Prince Pentewere, suspected of plotting the murder of his father, according to a new analysis.

An vast Iron Age settlement hidden for centuries under lush forests has been reconstructed using computer analysis.

Scientists are one step closer to creating a Harry Potter-like invisibility cloak. But when we'll be able to hide under the high-tech garments is a matter of "will and money," experts say.

Scientists are using infrared images to track potentially deadly patterns of heat in the Earth in and around active volcanoes. One aim: to save lives by predicting eruptions.

Sloping features at Mars's mid-latitudes are the largest bulk of water ice not at the poles and could be leftover from past climate changes, radar data suggest.

Long seen as myth, an ancient Amazon civilization may have been fueled by a man-made soil. Scientists are racing to recreate the recipe, which they say might fight hunger and global warming.

The first genetic blueprint from an extinct animal could reveal what separates the fuzzy giants from elephants—and may open the door to a "resurrection."

Unexpected numbers of high-energy electrons could be physical evidence of the mysterious substance—or they may reveal a nearby astrophysical object that's bombarding Earth.