02/05/2023

Revealing how an embryo's cells sync up

Scientists have known that when a mouse embryo is developing, the cells that will become its spine and muscles switch specific genes on and off repeatedly, in a synchronous fashion. However, there are deep mysteries about ...

Why mosses are vital for the health of our soil and Earth

Some people see moss growing in their gardens as a problem, but what they may not realize is this ancient ancestor of all plants is bringing lots of benefits to our green spaces, such as protecting against erosion.

NASA animation sizes up the universe's biggest black holes

A new NASA animation highlights the "super" in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more ...

Hubble observes lenticular galaxy NGC 3489

NASA's Hubble Space Telescope captured this image of the lenticular galaxy NGC 3489. Lenticular galaxies aren't quite spiral galaxies or elliptical galaxies. They lie somewhere in between, exhibiting traits of both. Lenticular ...

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