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If it wasn’t a singularity, how small could it have been? Today, when you look out in any direction as far as the laws of physics allow us to see, the […]
Francisco José de Goya y Lucientes is often labeled a quintessential Spanish artist, but his allegiance may well have lied with the French Enlightenment instead.
Both made monumental contributions that were far ahead of their time. It’s hard to believe, but the idea that the Universe was dominated not by normal matter but rather by dark […]
A strange philosophical thought experiment forces us to ask if the world can be completely described in physical terms.
This freshly unearthed image drastically alters the meaning of one of the artist's most celebrated works.
Hubble, our greatest space-based observatory today, is just the beginning. The Hubble Space Telescope has been astronomy’s most revolutionary observatory in history. The stars and galaxies we see today didn’t […]
It could analyze a photo of the Martian surface in just five seconds. NASA scientists need 40 minutes.
A new model addresses a longstanding problem: where do quasars get the fuel they need to outshine entire galaxies?
Galaxies can have regions both hotter and colder than the background radiation of the Universe. When we talk about the depths of space, we get this picture in our heads […]