Are there parallel universes? What happens when two galaxies collide? What is a supernova for? Do black holes die? Can there be life without water? We answer all your questions.
Antimatter is a type of particle associated with science fiction. We know of its existence in our universe since 1932. But what does it do in this world?
Some of the meteorites that reach the atmosphere of our planet could do so at speeds so high that they would be close to the speed of light, that is, they would develop relativistic speeds.
A hypothesis formulated in the 1980s states that our Solar System is actually binary; and its supposed sister star would be responsible for the mass extinctions that have plagued the planet throughout its history.
The Hubble constant, which measures the speed at which galaxies are moving away from each other, does not yet have a universal value. A recently published study gives a new value to the constant.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
