Famous black hole has jet pushing cosmic speed limit

The Event Horizon Telescope Collaboration released the first image of a black hole with observations of the massive, dark object at the center of Messier 87, or M87, last April. This black hole has a mass of about 6.5 billion ...

Study finds whales use stealth to feed on fish

Small fish are speedy and easy to scare. So how is it that a giant humpback whale, attacking at speeds about as fast as a person jogs, is able to eat enough fish to sustain itself? Combining field studies, laboratory experiments ...

Artificial intelligence as behavioral analyst

What is the common ground between making a cup of tea and putting on your shoes? Both actions consist of several movements in a row. "Just like language, which is composed of syllables arranged into sentences, many behaviors ...

Falcons see prey at speed of Formula 1 car

Extremely acute vision and the ability to rapidly process different visual impressions—these two factors are crucial when a peregrine falcon bears down on its prey at a speed that easily matches that of a Formula 1 racing ...

Video: ExoMars parachute extraction tests

A series of clips from different angles and at different speeds showing parachute extraction tests using a NASA/JPL test rig powered by compressed air. The lid of the parachute assembly is pulled along a suspended cable ...

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