Paul M. Sutter

Physicists have yet to pinpoint the hypothetical matter that keeps galaxies from flying apart. Now they have a new focus.

Lunar soil is rich with clues about our origin and future home in space. Scientists can’t wait to get their hands dirty.

What future missions to Saturn’s moon Titan will reveal about the universe.

The time is now to prepare for the cosmic object that could spell our end.

The quest to detect neutrinos has physicists—and society—asking hard questions.

Extraterrestrial life doesn’t need to be intelligent to be worth finding.

Early scientists didn’t know it, but we do now: The void in the universe is alive.

There was a lot more to this year than stunning images.

I now realize Heisenberg and Schrödinger are less like physicists and more like therapists.

The origins of the universe may be hidden in the voids of space.