The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's upcoming Habitable Worlds Observatory (HWO) to test different theories about ...

Claims that extraterrestrial life may exist on the exoplanet K2-18b face new challenges from James Webb Space Telescope data.

Telescope to study origins of universe SPHEREx, short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer, was developed by NASA for a mission to ...

The planet is 100 times the size of earth, astronomers estimate. The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain life ...

Since their discovery in the late 1700s, astronomers have learned that planetary nebulae, or the expanding shell of glowing gas expelled by a low-intermediate mass star late in its life, can come in ...

NASA’s SPHEREx space telescope has officially begun its scientific mission: capturing about 3,600 images per day to create a full-sky infrared map unlike any before it. Launched on March 11 ...

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away.

In fact, the life that could be — thriving on a distant ocean-covered planet named K2-18b is likely not intelligent at all. Here's everything to know about the discovery, the exoplanet and the ...

NASA's newest space telescope has officially begun snapping some incredible images of the cosmos about two months after it got off the ground. SPHEREx, which the U.S. space agency sent on a ...