The standard cosmology can answer almost nothing about how the structure of a galaxy is formed. It expects a supermassive black hole at the center and dark matter in the halo to explain the ...

"The work has been going on for the past eight years and has entailed running hundreds of simulations and using a hundred million hours of supercomputing facilities," says Santi Roca-Fàbrega. Now the ...

Researchers have developed a method that shows how the nervous system and sensory organs are formed in an embryo. By labeling stem cells with a genetic 'barcode', they have been able to follow the ...

Besides being a point of light, a star is a luminous, spherical mass of plasma, enough to hold itself together under its own gravity. On its own, though, gravitational rounding isn't enough. What ...

Double rainbows are two arcs of colour decorating the sky – literally two for the price of one. The main rainbow is usually brighter and of the usual pattern (red on top, violet at the bottom), and ...

A new study led by physicist Sascha Kempf at CU Boulder has delivered the strongest evidence yet that Saturn’s rings are remarkably young—potentially answering a question that has boggled scientists ...

Jet streams play a key role in how tornadoes are formed. When it comes to tornadoes, you’ve seen them, and you’ve seen what they can do. But do you really know how a tornado forms into that monstrous ...

Life may unfold as a continuous stream, but our memories tell a different story. We do not recall the past as one long, unbroken text. Instead, we remember it as a series of meaningful events, like ...