The planet on which Middle-earth and Aman both resided was called Arda, which simply meant "Realm" or "Region" in the Elvish ...

The two alien worlds make extremely close approaches to each other every 97 days, on average; during those cosmic family ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

On October 9, 2008, the State Space Agency of Ukraine sent a message towards Gliese 581c. Unlike the Voyager records, whose messages were chosen by a committee chaired by renowned physicist Carl Sagan ...

Spot overlapping meteor showers this month, along with the Moon sharing the sky with some of the brightest planets.

The Atmospheric Remote-sensing Infrared Exoplanet Large-survey (Ariel) telescope is to launch in 2029 and spend years ...

For first time, Webb telescope discovers an alien planet The planet orbits its host star, called TWA 7, at a distance about 52 times greater than Earth’s orbital distance from the sun.

UFO sightings in 1966 in Michigan led to the "swamp gas" explanation. People continue to report unidentified aerial phenomena ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

Half toybox, half science project, Kerbal Space Program is the most fun you can have while learning about space. On the ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...