A physicist has revisited wormholes, potentially finding a way to send a signal through time. Continue reading →
If we could harness the energy generated by an evaporating black hole, we might be able to bridge the vast space between the stars.
Physicists have tried searching for time travelers on the Internet. But they didn't find any.
Scientists on the hunt for the first galaxies formed after the universe’s creation have a new milestone -- an unexpectedly active galaxy that existed just 700 million years after the Big Bang.
In an epic quest to understand how supermassive black holes grow so massive, astronomers are using pulsars to detect gravitational waves. Continue reading →