Grow your beard while observing this planet

Astronomers have discovered a transiting exoplanet with the longest known year. Kepler-421b circles its star […]


A sparkling exhibition

Watch one of the exhibits in San Francisco’s Exploratorium science museum and count to 10, […]


The Big Slam – 20 years ago

Twenty years ago, human and robotic eyes observed the first recorded impact between cosmic bodies […]


A big pimple

This week’s images of comet 67P/Churyumov-Gerasimenko reveal an extraordinarily irregular shape. We had hints of […]


See Curiosity drill

Curiosity’s Mars Handlens Imager (MAHLI) instrument was used to take a four-frame self-portrait while the […]


Where have all the sunspots gone?

Solar activity is very low. July 17th brought the first spotless day in nearly three […]


Proving or bursting the bubble?

Scientists are working to bring the multiverse hypothesis, which to some sounds like a fanciful […]