Astronomy

Space Ancient Milky Way stars challenge the age of the universe and the Hubble tension

A new study uses ancient Milky Way stars to test the age of the universe and the Hubble tension.

Space Asteroid Ryugu fragments carry a magnetic record from the birth of the solar system Joseph Shavit

Space Interstellar travel is impossible and aliens haven’t visited Earth, physicists say Joseph Shavit

Space Scientists develop a new way to measure the expansion rate of the universe Joseph Shavit

Space What a rare lensed supernova could mean for measuring cosmic expansion Joseph Shavit

Space Dark matter and neutrinos are linked and interact with each other Joseph Shavit

Space New simulations reveal the hidden forces shaping ‘snowman’ worlds beyond Neptune Joshua Shavit

Space PHD student built the first-ever 3D map of Uranus’s upper atmosphere Joseph Shavit

Space Nearly invisible galaxy may be built mostly of dark matter, Hubble finds Joseph Shavit

Space Saturn’s rings and moon Titan formed through ancient moon collisions Joseph Shavit

Space Astronomers spot ‘jellyfish galaxy’ torn apart 8.5 billion years ago Joseph Shavit

Space Dark matter may consist of particles with different masses Joshua Shavit

Space The Milky Way’s core may be dense dark matter, not a black hole Joseph Shavit

Space Asteroid Bennu sample finds life’s building blocks formed in space ice Mac Oliveau

Space JWST solves a longstanding mystery of giant planet formation Joseph Shavit

Space Student made cosmic dust in the lab revealing life’s early chemical origins Joshua Shavit

Space JWST finds a surprise flood of organic molecules in a hidden galaxy Joseph Shavit