Astrophile: an alien sunrise just like Earth's
Astrophile: In the search for other Earths, the main goal is to find a planet the same size as ours in the habitable zone. We may have found a candidate sun
Flying object propels itself by flipping inside out
Watch a new flying band based on a mathematical design that inverts to move through the air
Spidery star factory gets multi-wavelength makeover
A new multi-wavelength view of the tarantula nebula shows the X-rays released by supernova blasts as well as visible and infrared light
Climate change will make conservation even pricier
If you think saving endangered species is expensive now, just wait a few decades. Climate change may double the cost of protected areas by 2100
New hacktivist sect emerges from Anonymous
MalSec has announced its intentions to fight internet censorship, but promises to keep innocent people safe this time
Feedback: So secret it's signposted
How to find a secret bunker, beyond 3D cinema, greetings after your recent death, and more
We're closing in on consciousness in the brain
Brain "observatories" may solve the puzzle of how material brains create an intangible world of love, colour, taste and fantasy, says Christof Koch
Prickly personality of Rosalind Franklin
Rosalind Franklin's sister shares family insights on the scientist who helped discover DNA. PLUS: Physics conundrums and what we'll eat in the future
Zoologger: Meet the polar bear's replacement
As the sea ice retreats, the little-known Greenland shark could take the polar bear's place as the top Arctic predator
Green Machine: Undersea air bags store wind power
Inflatable bladders anchored to the sea floor could store excess energy in the form of compressed air, helping to make wind power more reliable
Arizona decrees pregnancy starts before conception
The state's new bill makes abortions illegal for an 18-week-old fetus. What does science have to say on the matter?
Move over DNA: Six new molecules can carry genes
Artificial nucleic acids have proved capable of storing genetic information and passing it on, and some can evolve in the lab
Clues to aspirin's anti-cancer effects revealed
Exactly why aspirin shows such potential as an anti-cancer treatment remains unclear - a new study in mice suggests an enzyme link
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