If dark matter is creating positrons in the CMZ, those particles will eventually slow down and eventually annihilate with electrons in the environment, producing gamma-rays at exactly 511keV energy.

A team from the University of Cambridge made the discovery on exoplanet K2-18b, which is 124 light years away from Earth.

Cecilia Payne realised that the Sun and stars are primarily hydrogen and helium - only for a man to take credit for the ...

Astronomers have discovered a major sign of life — and “the first hints… of an alien world” on a distant planet orbiting ...

Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our Solar System, though other scientists expressed scepticism.

Astronomers, including Triaud, have made strides in the last few years in detecting planets in multi-star systems by ...

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Generation of hydrogen (H₂) by means of photocatalysis has been at the forefront of research since the 1970s because it can ...

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...