This study investigates the relative contributions of brine composition and UV photochemistry in biosignature preservation in hypersaline environments on Earth and in space using Halobacterium salinarum cell envelopes. — Nature
This study investigates the relative contributions of brine composition and UV photochemistry in biosignature preservation in hypersaline environments on Earth and in space using Halobacterium salinarum cell envelopes. — Nature
With its crawling narrative and dense characterization, Apple TV+’s underrated sci-fi drama, “Invasion,” has attracted legions of loyal fans over its three seasons who are lured to its compelling extraterrestrial
New research suggests that there is a 90% chance that within the next decade, humanity could use a space or Earth-based telescope to spot an exploding black hole. Such a
Simulated high-resolution spectra of the program star wasp-121 (an F-type star) and a G-type comparison star with a similar magnitude. The spectral resolution is degraded to 47,000, consistent with the
View at EarthSky Community Photos. | John Chumack in Yellow Springs, Ohio, captured Comet Lemmon (C/2025 A6) along with some satellite trails on September 27, 2025. John wrote: “Early Saturday
When is the first day of fall in 2025? A carefully worded answer is that on Monday, Sept. 22, at 2:19 p.m. Eastern daylight time (11:19 a.m. Pacific daylight time)
Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN highlighted this fact, when both were first discussed on message boards and verified via
Peering into deep space, NASA’s James Webb Space Telescope has helped astronomers find places to study gravitational lensing, an effect in which massive objects such as galaxies warp space-time itself,
HOUSTON — The first astronauts to visit the moon in the 21st century can’t wait for their trip. The four astronauts of NASA’s Artemis 2 mission to the moon, which
Beyond the race for scientific, commercial and military purposes, there is another space race of a more curious sort. A race to be the first to send various objects up




