Cosmology

In recent days I’ve had some interesting conversations. There’s a giddiness going around, related to an outpouring of science love – the kind you get from President Obama introducing TV science shows, the kind that has wonderful visuals, but is, well, a wee bit simplistic (a sin that none of us could ever, ever be [...]

Lawrence Krauss, theoretical physicist at Arizona State University, answers an age-old question.

Tyson hopes that the updated Cosmos can play a small part in improving the severe lack of scientific literacy among many adults today

So much has changed in space since Carl Sagan’s Cosmos TV series first aired in 1980. We discovered dark energy (but still have no clue what it is).

The half-the-speed-of-light spin of a giant black hole suggests it grew by digesting another black hole in a galaxy merger. Clara Moskowitz reports 

Small galaxies orbiting the Milky Way may have arrived via dark matter superhighways stretching across the universe

The bonanza in spotting Pluto's peers nears its end

Journalist Lee Billings Talks about his book Five Billion Years of Solitude: The Search For Life Among the Stars, Part 2 of 2

Journalist Lee Billings Talks about his book Five Billion Years of Solitude: The Search For Life Among the Stars, Part 1 of 2

The famous physicist explored the idea of a steady-state universe in 1931

With a new approach that treats the universe as a fluid, cosmologists plan to tease out the fine details of the big bang from its behavior and evolution

The Hubble Telescope's new set of Frontier Fields images includes a galaxy some 13-billion light-years away, which makes it a candidate for the most distant object ever seen. Clara Moskowitz reports