An exoplanetary system located about 116 light-years from Earth may be reshaping scientists’ understanding of how planets ...

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 ...

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

The James Webb Space Telescope captured NGC 346, a star-forming region about 210,000 light years away. One of the features of ...

An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away. Astronomers recently searched the gas cloud of a yet-unborn star for a ...

Southwest Research Institute’s advisory trustees, board of directors and guests gathered at SwRI’s headquarters today in San Antonio for the Institute’s 78th Annual Meeting.

Webb telescope data confirm a supermassive black hole fleeing its galaxy, carving a 200,000 light-year wake of new stars.

Scientists say aliens are not hiding in Area 51. Experts believe life may exist on distant planets with water and the right ...

It's a glimpse into the universe's secret architecture, revealing how even the most subtle cosmic structures orchestrate the grand ballet of creation, guiding the destiny of galaxies across the eons.

Astronomers have witnessed a rare cosmic event: a massive star that didn’t explode in a spectacular supernova, but instead ...

A city-sized green comet, C/2024 E1 (Wierzchoś), is approaching Earth and will soon be ejected into interstellar space, ...

Astronomers have uncovered a planetary system that challenges conventional theories of planet formation. The system likely includes a rocky planet that formed beyond the orbits of its gaseous ...