The cosmic microwave background (CMB) is radiation that fills the universe almost uniformly—basically the leftover glow from ...

In this video, we delve into the Big Bang Theory, which explains the origin and expansion of the universe. This theory suggests that about 13.8 billion years ago, all matter and energy were ...

So cosmologists feel confident in modelling the universe using the “maximally symmetric” description of space-time in Einstein’s theory of general relativity. This symmetric vision for the universe, ...

A portable detector the size of a cookie box reveals in real time the cosmic particles that pass through your body every ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields from the Big Bang may offer a solution.

Physicists suggest that a single, extraordinarily powerful cosmic signal detected on Earth could be linked to the explosive end of a tiny black hole from the early universe. That signal now stands as ...

Scientists say an ultra-powerful neutrino once thought impossible may be explained by an exotic black hole model involving a so-called “dark charge.” ...

A new scientific revelation reveals that deep in the Earth’s core lies a good amount of hydrogen as well as a large amount of ...

T o make good decisions on any question the public needs to be well-informed, something not so easily accomplished in America’s schools. That is a key point made by Michael Kent, a recently retired ...

A neutron star’s teaspoon of material would weigh billions of tons. Venus rotates backwards compared to most planets. Space smells like seared steak, according to astronauts. There are more trees on ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

In A Nutshell A star 3,260 light-years away dimmed by over 95% for six months, one of the longest stellar blackouts ever ...