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.
TOPIC
Cosmology.
Stories tagged #Cosmology
The UniverseExplainer
What Is Dark Energy?
In 1998 astronomers found that the universe's expansion is speeding up, and "dark energy" is the name for a cause nobody yet understands.
The UniverseExplainer
Why Is There More Matter Than Antimatter?
The Big Bang should have left an almost empty universe. A tiny surplus of matter built everything we know, and nobody yet knows why.
OriginsExplainer
What Happened in the First Second After the Big Bang?
From the first atomic nuclei back to a possible burst of inflation, here is what scientists have tested about the first second, and where knowledge runs out.
OriginsExplainer
How Big Is the Universe, and Does It Have an Edge?
The part we can see is about 93 billion light-years wide, but whether the whole universe ends, loops back or goes on forever is still unknown.
God & BeliefEssay
Science and Faith: Enemies, Strangers, or Partners?
The 'war' between science and religion makes a dramatic story, but the real history, and what scientists actually believe, is more surprising and more welcoming.
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.
OriginsExplainer
Can a Telescope See the Beginning of the Universe?
Distant light lets us look far into the past. But the earliest light we can receive arrived after the universe had already been changing for a long time.
OriginsExplainer
How Did We “Hear” Gravitational Waves?
LIGO measured tiny changes in distance and opened another way to study the universe.
OriginsExplainer
Why Do Stars Shine—and Where Did Our Atoms Come From?
A star’s light comes from fusion. Its long history also helps explain the matter that makes planets and people.