Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Scientists spent four years challenging an out-of-the-box theory that ammonia and water form slushy hailstones on the gaseous planet. Looks like it’s true.

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

Using the James Webb Space Telescope, researchers have found signs of what could finally settle the age-old question: Are we ...

Even in the best of circumstances, however, talk of a biosignature is an invitation to scientists to think of alternative ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...