New idea shakes up dinosaur family tree for T. Rex and pals

Trump signs bill authorizing NASA funding, Mars exploration

SpaceX sends satellite into orbit after 2-day delay

Mammals shrink when Earth heats up, study says

Sax in space: French astronaut delighted with birthday gift

Zap Map: Satellite tracks lightning for better heads up

Tiny filaments, tubes proposed as Earth's earliest fossils

Apollo 11 relic mistakenly sold returned to Illinois woman

SpaceX says it will fly 2 people to moon next year

NASA weighing risk of adding crew to megarocket's 1st flight

NASA's Jupiter-circling spacecraft stuck making long laps

7 Earth-size worlds found orbiting star; could hold life

SpaceX Booster lands successfully after ISS resupply launch

Biologists find weird cave life that may be 50,000 years old

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