Tuesday, February 17, 2026

Ground Teams Stop Flow of Liquid Hydrogen During Artemis II Wet Dress Rehearsal

A full Moon is seen shining over NASA’s SLS (Space Launch System) and Orion spacecraft, atop the mobile launcher at the agency’s Kennedy Space Center in Florida on Feb. 1st, 2026. Credit: NASA/Sam Lott

NASA said Tuesday it will now target a March launch of its new moon rocket after running into exasperating fuel leaks during a make-or-break test a day earlier.



An Ancient Merger Could Have Created Titan and the Debris Created Saturn's Rings

The Cassini spacecraft captured this image of Titan framed by Saturn and its rings. New research highlights Titan's important role in shaping the Saturnian system. Image Credit: NASA/JPL/Space Science Institute

New research presents a timeline for recent (astronomically speaking) events in the Saturnian system. It shows that Titan collided with a proto-Hyperion, and the collision smoothed Titan's surface while some of the debris accreted onto a new Hyperion and also created Saturn's rings. The research can also explain some of the Saturnian system's other unusual characteristics.



Occupy Mars? Or the Moon? Get a Reality Check on Elon Musk's Plans

Artist's concepts show a moon village at left and a Mars habitat at right. (Left image: ESA. Right image: Team SEArch+/Apis Cor via NASA)

SpaceX founder Elon Musk now says he wants to build a city on the moon before building a city on Mars. Is either scenario realistic? In the latest episode of the Fiction Science podcast, biologist Scott Solomon, the author of a new book titled "Becoming Martian," does a reality check on humanity's prospects for living on other worlds.



New Lunar Samples Challenge the "Late Heavy Bombardment"

Topographical map of the South Pole-Aitken Basin. Credit - NASA

Results are coming out from the samples returned by China’s Chang’e-6 sample return mission to the far side of the Moon. They offer our first close-up look at the geology and history of the far side, and a recent paper published in Science Advances from researchers at the Chinese Academy of Sciences has very interesting insights about the impact history of the Moon itself, and even some for the solar system at large.



How Mars' Toxic Soil Actually Makes Stronger Bricks

Scanning Electron Microscope image of the Sporosarcina pasteurii bacteria interacting with surounding minerals. Credit - Aloke Lab, IISc

Using local resources will be key to any mission to either the Moon or Mars - in large part because of how expensive it is to bring those resources up from Earth to our newest outposts. But Mars in particular has one local resource that has long been thought of as a negative - perchlorates. These chemicals, which are toxic to almost all life, make up between 0.5-1% of Martian soil, and have long been thought to be a hindrance rather than a help to our colonization efforts for the new planet. But a new paper from researchers at the Indian Institute of Science and the University of Florida shows that, when making the bricks that will build the outpost, perchlorates actually help.



Monday, February 16, 2026

Scientists Make a Game-Changing Find in the Bennu Asteroid

NASA's OSIRIS-REx spacecraft captured this image of the asteroid Bennu on Dec. 12, 2018. Credit: NASA/Goddard/University of Arizona

According to the researchers from the University of Pennsylvania, some of the amino acids found in the asteroid Bennu likely formed in a different way than was previously thought, effectively challenging what we thought we knew about the origins of life.



Very Few Planets Have the Right Chemistry for Life

Research shows that for a planet to be habitable, phosphorous and nitrogen must be present when the planet's core forms. For those elements to eventually be readily available on the surface, the right amount of oxygen must also be present. Without these factors, DNA, RNA, and proteins will be unable to form. Image Credit: M.Weiss/Center for Astrophysics | Harvard & Smithsonian

A complex web of interrelated factors make Earth a life-supporting planet, and some of those factors are chemical. New research shows how oxygen abundance regulates the availability of the important chemicals phosphorous and nitrogen on planets, and that few planets get it right. While discouraging, it could help us optimize our search for habitable worlds.