Astrophysics

Parts of this supposed vast emptiness smell like rotten eggs or gunpowder.

Our understanding of this planet has evolved in step with scientific progress

Supermassive object found in the early universe tests theories of cosmic evolution

Each of the telescopes that the astronomers of the Event Horizon Telescope (EHT) are currently working to bring into their black-hole-observing, planet-size array is a special case.

A vast ring of dust may explain the star-generating nebula’s birth

Picture a hot volcanic spring. Mineral-laden acidic water flows through sulfur-rich rocks. A foul odor hangs in the air. For us it’s a nasty environment, best enjoyed through the lens of a tourist’s camera.

Last night at the 87th Academy Awards, Eddie Redmayne won the Oscar for best actor for his portrayal of theoretical physicist and cosmologist Stephen Hawking in The Theory of Everything.

A new theory suggests the Higgs field varied in the early universe, offering matter a chance to split off from antimatter

The Planck satellite reveals the universe's first stars formed more than a hundred million years later than previously believed

Today is Valentine’s Day. In love? Or just the opposite? Express how you feel with physics-inspired Valentines—and anti-Valentines for those who perhaps aren’t huge fans of the holiday.

Astronomers have discovered variable stars that periodically dim and brighten at frequencies close to the famed golden mean

The much-hyped James Webb Space Telescope promises to revolutionize exoplanet science, but only if astronomers can agree on how to use it.