New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Ever get the feeling you don’t quite belong on Earth? Maybe you’ve caught yourself daydreaming about other galaxies, feeling ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

According to a tenet scientists call the cosmological principle, our place in space is in no way exceptional. But recent ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

A Yale-led team of astronomers has detected an intensely brightening and dimming quasar that may help explain how some ...

Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery is the most distant ...