The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

"Look to the east and all evening long, you'll be able to see the planet in the constellation Gemini," that site said. "It ...

Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...