A New Type of Reef Neon Fish Is Discovered
And she’s very beautiful
And she’s very beautiful
For nearly 130 years the definition of the kilogram has been tied to a lump of metal inside a Parisian vault that varies in mass from decade to decade
Catastrophic consequences can be felt in a couple of seconds
In the hunt for new fundamental particles, physicists have always had to make assumptions about how the particles will behave
Astronomers have found stars dating from a long-ago collision between the Milky Way and another galaxy