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Springtime in the South Atlantic
Springtime in the South Atlantic

The springtime phytoplankton communities shown in this image were spotted between the Falkland Islands to the west and South Georgia…

Dark Matter ‘Hairs’ Around Jupiter
Dark Matter ‘Hairs’ Around Jupiter

The root of a dark matter hair produced from particles going through Jupiter's core would be about 1 trillion times…

Dark Matter ‘Hairs’ Around Earth – Close-up
Dark Matter ‘Hairs’ Around Earth – Close-up

This artist's rendering zooms in on what dark matter "hairs" might look like around Earth.

Dark Matter ‘Hairs’ Around Earth
Dark Matter ‘Hairs’ Around Earth

This illustration shows Earth surrounded by theoretical filaments of dark matter called "hairs."

Developing New Standards of Drone Operations
Developing New Standards of Drone Operations

A test pilot operates a virtual large unmanned aircraft system, or UAS, with simulated air traffic at a NASA research…

Astronauts Behnken and Good at SpaceX
Astronauts Behnken and Good at SpaceX

Astronauts Bob Behnken and Mike Good take part in evaluations of Crew Dragon at SpaceX.

Astronauts Evaluate Crew Dragon at SpaceX
Astronauts Evaluate Crew Dragon at SpaceX

Astronaut Bob Behnken during evaluation trip to SpaceX.

Astronauts Evaluate Crew Dragon
Astronauts Evaluate Crew Dragon

Astronauts Sunita Williams and Doug Hurley during evaluation visit to Crew Dragon at SpaceX.

Commercial Crew Astronauts Evaluate Crew Dragon
Commercial Crew Astronauts Evaluate Crew Dragon

Astronauts Doug Hurley and Sunita Williams work in Crew Dragon mockup during evaluation.

Launch Pad 39A Modifications for SpaceX Launches
Launch Pad 39A Modifications for SpaceX Launches

Modifications are under way at Kennedy's Launch Pad 39A by SpaceX for future launches.