Butterflies' wing patterns change with the seasons

Tropical butterflies adapt to their environment to improve their chances of survival. The changes are triggered by hormone signals that transmit information about temperature to the butterflies' tissues. Biologist Ana Rita ...

NASA watches Tropical Storm Florence develop and weaken

The sixth tropical storm of the Atlantic Ocean hurricane season formed over the past weekend, and NASA kept an on its progression. Tropical Storm Florence was born in the eastern Atlantic and weakened when it interacted with ...

What is NASA's Heat Melt Compactor?

Dealing with trash is a challenge wherever people work and live, and space is no exception. Astronauts produce a couple of pounds of trash per crew member per day. To better manage this, NASA is developing a new trash processing ...

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