High-resolution flyover footage is revealing Mars as a world shaped by dramatic landscapes and ancient forces. From vast ...

This Ramadan, skywatchers in Dubai will have a rare chance to witness a spectacular planetary parade as six planets align ...

Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond our solar system. While the gas may be unpleasant on ...

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in the atmospheres of three gas-giant exoplanets orbiting HR 8799, a ...

A distant star dimmed by 97% for nearly 200 days. Astronomers say giant rings around a brown dwarf or super-Jupiter may explain it.

In the eastern Utah desert, carbon-dioxide-saturated water bubbles, sprays and foams from the ground. These cold-water ...

Researchers report that ASASSN-24fw dimmed for nine months due to a ringed companion, likely a brown dwarf or super-Jupiter, based on observations published by Universe Today and the Royal ...

For over a century, the world’s greatest minds could map the heavens, but not weigh the Earth. Newton’s theory had a missing number, and many believed it could never be found.

NASA describes deep hydrogen compression that eventually forms conductive metallic liquid, making Jupiter feel less like Earth and more like a continuous gradient of states. That alone breaks the old ...

The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the ...

Researchers detail a 2035 Solar Oberth maneuver mission using chemical propulsion to intercept interstellar comet 3I/ATLAS ...

Astronomers have reported one of the longest stellar dimming events ever recorded, with a Sun-like star fading by 97 percent for nearly 200 days. Astronomers believe one of the longest stellar dimming ...