NASA nixes crew for test flight of new megarocket in 2019

Astronaut breaks record for most time in space by American

Last adventure ahead for NASA's Cassini spacecraft at Saturn

Record-setting astronaut thrilled with bonus time in space

Everything but the squeal

Ocean world near Saturn hotter-than-ever contender for life

A Pink Moon is coming -- but what is that?

$3.5 million to help restore space center mission control

Veteran NASA spacewoman getting 3 extra months in orbit

Reused rocket back in port after satellite launch by SpaceX

Spacewalking astronauts lose piece of shielding

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

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