Have physicists finally detected gravitational waves?

The Harvard-Smithsonian Center for Astrophysics has news so big it announced that it would announce something. The press conference will stream live tomorrow at noon, but cosmologists everywhere are gossiping about what that news could be. The leading theory: Scientists have detected gravitational waves, in what would… » 3/16/14 3:24pm 3/16/14 3:24pm

This could be our best view yet of the earliest objects in the Universe

NASA researchers have detected the faint glow of what they believe to be the first stars and galaxies to form in the aftermath of the Big Bang — and it's positively stunning. If the team's findings are correct, they could offer valuable insight into the nature of the Universe's very first objects. » 6/08/12 11:40am 6/08/12 11:40am

Supermassive Telescope Hears What the Early Universe Looks Like

Yeah, you read that headline right. This supermassive radio telescope, set to be completed in Chile in 2012 (you're seeing an artist's rendering), listens to frequencies between the infrared and radio spectrum. It tunes in particles that will give astronomers an unprecedented portrait of the early universe, as well… » 2/25/08 7:00am 2/25/08 7:00am

The Rise and Fall of the Biggest Radio in the World

The Arecibo Radio Telescope in Puerto Rico is the most sensitive and gigantic radio telescope in the world, used to do radar studies on objects in our local solar system. Despite its long history of excellent operation - it was built in the early 1960s - the National Science Foundation is threatening to cut its… » 12/25/07 1:58pm 12/25/07 1:58pm