Cuttlefish color change behaves more like a reflex than a mood, because neurons from the brain fire tiny muscles that pull ...

The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...

In virtually every piece of land on Earth—from near the summit of Mount Everest to Antarctica to caves nearly 2,000 meters ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one young star should help us understand how such systems form ...

Astronomers recently pointed NASA’s Hubble Space Telescope at a familiar target, the bright nearby star Fomalhaut, and saw something that looked like a new world. A compact, reflective speck glimmered ...

This image presents a grid of color-enhanced astronomical observations, each depicting a circumstellar disc—structures of dust and gas surrounding stars. Every square in the grid represents a ...

William Crozier does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

An exoplanet is what we call planets that exist outside of our own solar system. The first one was discovered in 1992, but as we get more powerful and precise telescopes and instruments, scientists ...

"Dust affects everything on Mars — from local weather to how well we can take images. It's difficult to overstate its importance." When you purchase through links on our site, we may earn an affiliate ...