Christmas trees—and conifers in general—have made some surprising cameos throughout U.S. history, author Trent Preszler ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Medney (" Beyond Kuiper ") and co-author Don Macnab-Stark have crafted an intelligent examination of the human condition in the 23rd century as it surges into an existential era of decision, and we’ve ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

Low Earth orbit is filling up with industrial-scale fleets of satellites, and the collateral damage is becoming impossible to ...

The most distant known star in the universe is no longer a faint, anonymous point of light. With the James Webb Space ...