Biogeochemist Elisa Merz — © Abbey Dias Lake Fryxell is located in the McMurdo Dry Valley on the Antarctic mainland. The lake is covered year round with four to five
Biogeochemist Elisa Merz — © Abbey Dias Lake Fryxell is located in the McMurdo Dry Valley on the Antarctic mainland. The lake is covered year round with four to five
Constraint on the lifetime 𝐿 = 10𝑛 of intelligent technological civilizations derived from the Fermi paradox. The expected number of coexisting civilizations 𝑁 is shown as a function of the
Researchers in Brazil have discovered another tektite field. Tektites are gravel-sized chunks of natural glass formed by impacts and spread over a wide area. Their presence indicates that a powerful
Artist concept of a SpaceX Starship lunar lander on the surface of the moon. Image: SpaceX. New NASA Administrator Jared Isaacman announced a major overhaul of the agency’s Artemis moon
Simulated lunar dirt can be turned into extremely durable structures, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests. Using a special laser 3D
Uranus is a planet that seems to roll around on its side as it orbits the Sun. That’s because it’s tipped over, with an axial tilt of 97.8 degrees. That
A Structural comparison of chlorophyll-based and retinal-based photosystems. Left: Type II reaction center with antenna complex from Thermochromatium tepidum88. The catalytic core (orange) contains bacteriochlorophyll pigments (green) that drive electron
The atmosphere of an exoplanet – Grok via Astrobiology.com Among the many recommendations of the Decadal Survey on Astronomy and Astrophysics 2020, we found that a priority area of research
Tardigrades, commonly known as water bears, may be better suited by a new name: Tardiguardians of the Galaxy. Unlike the fictional ragtag team of unenthusiastic heroes, the microscopic animals are
Schematic representation of the effect of stellar contamination (TLS) with actual examples of the effect of TLS in simulated signals. In the left column, we show the stellar spectrum, both






