The rate at which the universe is expanding is expressed as a value called the Hubble Constant, generally abbreviated as “H 0 ...

When it comes to particle physics, however, much of the action takes place in giant accelerators smashing particles together ...

Researchers have unlocked a fascinating cosmic mystery: hotter white dwarf stars — remnants of dying suns — are puffier than ...

Just how long has the universe been around? Scientists estimate the universe is 13.8 billion years old, with an uncertainty ...

White dwarfs are the remnants of once-sunlike stars that have burned through their nuclear fuel. These stripped-down cores ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of ...

A study of more than 26,000 white dwarf stars has confirmed a long-predicted but elusive effect in these ultra-dense, dying ...

a supernova erupting close enough to Earth would allow us to detect its emissions of high-energy light, confirm the mass of axions and therefore wrap up the whole dark matter puzzle. The required ...

Energy transition Dark matter may have been created after the Big Bang, something that could soon be tested by gravitational wave detectors. (Courtesy: Shutterstock/Tomertu) New constraints on a ...

These dark matter cycles would have quickly died out ... The region where z=10 is expanding at 99.8% of the speed of light away from Earth.) Conditions around cosmic dawn would affect the 21 ...

The Anthropic Principle, first proposed by Brandon Carter in 1973, suggests that the universe is “fine-tuned” to support life ...

Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that ...