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Illness-causing bacteria linger hours or days outside body

Scientists report that bacteria can persist on surfaces, like furniture and toys, significantly longer than previously thought.

Your help needed for new research on zombie ants

A fungus takes over the ants' brains - makes them do things they normally wouldn't do - then kills them. You can help fund new research on these ants.

Super star creates holiday light show

A celestial wreath of reflective dust illuminated by a glittering star.

A billion stars here we come! Gaia galaxy surveyor lifts off

Gaia is designed to make accurate measurements of the positions and motions of 1% of the total population of roughly 100 billion Milky Way stars.

New colorized images of asteroid Vesta

"No artist could paint something like that. Only nature can do this." - Astronomer Martin Hoffman

Milky Way galaxy has four arms again

A debate has been raging about whether our galaxy has four spiral arms, or two. A 12-year study of massive stars suggests that it has four.

Long-lasting greenhouse gas breaks all the records

A newly identified greenhouse gas shatters all other records for the chemical’s potential to contribute to climate change.

Water vapor venting from Jupiter’s moon, Europa

If these plumes vent from Europa's subsurface water ocean, future scientists won't need to drill into Europa's icy crust to investigate the potential for life in that alien sea.

Best view of Saturn hexagon

The Saturn hexagon is a unique six-sided jet stream, a current of air, around Saturn's north pole.

Astronomers discover planet that shouldn’t be there

The discovery of a giant planet orbiting its star at 650 times the average Earth-sun distance has astronomers puzzled over how such a strange system came to be.

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