Gravitational-wave detector rebooted to sense clashing stars
The revamped Laser Interferometer Gravitational-Wave Observatory (LIGO) has taken its first science data – a step towards finding ripples in space-time
Zoologger: Octopus makes own quicksand to build burrow on seabed
Southern sand octopus is first cephalopod found to build underwater hideout by burrowing through quicksand and daubing the walls with mucus
Rosettawatch: Comet 67P’s weather revealed as sun melts ice
The Rosetta probe has spotted a field of solid ice in the neck region of comet 67P/Churyumov-Gerasimenko which turns to vapour when the sun rises
Giraffes spend their evenings humming to each other
Biologists have long been curious to know whether giraffes produce any substantial sounds. Audio recordings from three giraffe houses in European zoos suggest they do
World Health Organization wants to know how happy we are
The WHO has traditionally collected information on death, disease and disability – now it wants to measure our well-being too
Citizen scientists catch cloud of comets orbiting distant star
A bizarre signal from NASA's planet-hunting Kepler telescope showed up in a citizen science project called Planet Hunters, and may be caused by dust from a comet storm
World set to embark on UN sustainable goals to eradicate poverty
At a summit in New York this week, world leaders are expected to approve a set of goals and targets linked to sustainable and equitable development
Divers return to famous Antikythera wreck to hunt for treasures
The search for secrets on one of the world's most impressive wrecks is back on. Will it uncover another ancient Greek computer like the Antikythera mechanism?
The lies we tell are more convincing when we need to pee
Observers are less able to distinguish the truth from a falsehood when an interviewee has a full bladder
Volcanologists Raise the Alert at Hawaii’s Mauna Loa
For the first time in 5 years, the alert status has been raised at Hawaii's Mauna Loa. Meanwhile, Cotopaxi continues to rumble while volcanologists try to determine what the volcano might do.
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