Astronomers have identified a vast, twisting chain of galaxies that appears to be rotating as a single structure, a kind of cosmic tornado that stretches across tens of millions of light years. If ...

Velocity streamlines within the reconstructed volume, with colored envelopes associated with the prominent nearby basins of attraction. The map and streamlines have been cropped to the region covered ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, falling apart on cosmic scales. If you’re on the surface of Earth—and I’m ...

Elon Musk talks humanity's slow progress toward harnessing cosmic-scale energy and urges ambitious benchmarks for future advancements.