Cosmology

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.

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.

Some natural phenomena need few words to explain why they’re fascinating. Eclipses, transits, and phases in astronomy tend to fall into that category.

Cosmologist Kendrick Smith will present a free live Webcast on the quest to understand the origin of the universe
 

The oldest group of terrestrial worlds now known formed some 11.2 billion years ago, more than six billion years before our sun and planets. Clara Moskowitz reports

 

The crew of STS-51-L: Front row from left, Mike Smith, Dick Scobee, Ron McNair. Back row from left, Ellison Onizuka, Christa McAuliffe, Greg Jarvis, Judith Resnik.

Intriguing data from an event in 2007 hints at an exomoon forming around a giant planet in a youthful star system 420 light years from Earth.