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Astronomy 3 hours ago

Scientists discover new way to extract cosmological information from galaxy surveys

Scientists at the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) and their international collaborators have recently developed a new method for efficiently extracting information from galaxy ...

Astronomy 8 hours ago

Technical trials for easing the (cosmological) tension

Thanks to the dizzying growth of cosmic observations and measurement tools and some new advancements (primarily the "discovery" of what we call dark matter and dark energy) all against the backdrop of General Relativity, ...

Paleontology & Fossils Apr 18, 2024

Africa is full of bats, but their fossils are scarce—why these rare records matter

Africa is home to more than 20% of the world's bat population. There are more than 200 species to be found on the continent. South Africa is particularly diverse, with 72 bat species.

General Physics Apr 15, 2024

Study uses thermodynamics to describe expansion of the universe

The idea that the universe is expanding dates from almost a century ago. It was first put forward by Belgian cosmologist Georges Lemaître (1894–1966) in 1927 and confirmed observationally by American astronomer Edwin Hubble ...

General Physics Apr 15, 2024

Machine learning could help reveal undiscovered particles within data from the Large Hadron Collider

Scientists used a neural network, a type of brain-inspired machine learning algorithm, to sift through large volumes of particle collision data. Particle physicists are tasked with mining this massive and growing store of ...

Astronomy Apr 15, 2024

Rubin observatory will reveal dark matter's ghostly disruptions of stellar streams

Glittering threads of stars around the Milky Way may hold answers to one of our biggest questions about the universe: what is dark matter? With images taken through six different color filters mounted to the largest camera ...

Astronomy Apr 15, 2024

Formation-flying spacecraft could probe the solar system for new physics

It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques, scientists are getting closer to experimentally verifying theories that ...

Astronomy Apr 15, 2024

Neutron stars could be heating up from dark matter annihilation

One of the big mysteries about dark matter particles is whether they interact with each other. We still don't know the exact nature of what dark matter is. Some models argue that dark matter only interacts gravitationally, ...

Astronomy Apr 13, 2024

Physicists solve puzzle about ancient galaxy found by Webb telescope

Last September, the James Webb Space Telescope, or JWST, discovered JWST-ER1g, a massive ancient galaxy that formed when the universe was just a quarter of its current age. Surprisingly, an Einstein ring is associated with ...