A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...
In A Nutshell A star 3,260 light-years away dimmed by over 95% for six months, one of the longest stellar blackouts ever ...
Cosmic rays inside a dense molecular cloud were measured for the first time, helping scientists better understand how stars begin forming.
By squeezing terahertz light beyond its usual limits, researchers have exposed hidden quantum "jiggles" inside a ...
NASA’s latest close-up of our star is not just a pretty picture. When the Parker Solar Probe swooped to within 3.8 million miles of the Sun on Dec. 24, 2024, it delivered a view of the corona that no ...