The UniverseExplainer
What Is a Black Hole, Really?
Not really holes and not cosmic vacuum cleaners, black holes are places where matter is packed so tightly that not even light can climb back out.
TOPIC
Gravity and relativity.
Stories tagged #Gravity and relativity
The UniverseExplainer
What Is Dark Matter?
Galaxies spin too fast and light bends too much, so something unseen seems to be out there, but nobody yet knows what it is.
The UniverseExplainer
Can Anything Travel Faster Than Light?
Shadows, stretching space and a famous neutrino scare all seem to break the cosmic speed limit. Here is why the limit still stands.
HD-Blast ResearchExplainer
The Seven Questions Behind the Research, and Where Each One Stands
The seven questions behind Ricardo Maldonado's research, from the Big Bang to evolution: what each idea proposes, what has been corrected, and what could settle it.