Establishing Crew Exposure Limits of Martian Dust
Human exploration of Mars will expose crews to a persistent, fine particulate environment whose physicochemical properties and health…
SpaceX Falcon 9 rocket sends Starlink satellites to orbit a day after rare launch abort
Twenty-four Starlink satellites reached low Earth orbit on Tuesday (July 21), a day later than originally scheduled due…
800 Million Years Ago, a Catastrophic Asteroid Breakup Rained Fire on the Inner Solar System
On Earth, it’s hard to track events that reshape its surface, as the surface itself is being reshaped…
Artemis III astronauts will beam 4k video from Orion to Earth using SpaceX Starlink lasers
Orion is getting an upgrade on Artemis III, and the astronauts aboard are getting WiFi (sort of). NASA…
SpaceX launches Starlink mission from California a day after last-second abort – Spaceflight Now
The Starlink 17-39 mission lifts off from Space Launch Complex 4E at Vandenberg Space Force Base in California…
Milky Way flipped in collision with dwarf galaxy 10bn years ago, astronomers say | Astronomy
Astronomers have found evidence that the Milky Way was flipped on its side following a direct hit from…
Coilable Stacked Solar Sails for Very High delta-V Missions
Artur Davoyan University of California, Los Angeles The goal of the proposed program is to enable the next…
China’s Chang’e-6 reveals why solar wind hits the Moon’s two sides differently
The Moon has been exposed to the solar wind for billions of years. However, new evidence shows that…
James Webb Space Telescope looks back in time 4.4 billion years photo of the day for July 21, 2026
The James Webb Space Telescope captured this image of a young galaxy cluster, MACS J0553.4-3342. (Image credit: ESA/Webb,…
A New Compact Instrument Enables High-Fidelity Measurements of Energetic Particles on CubeSats
A team of NASA-sponsored scientists and engineers has developed a novel approach to observing high-energy particles in the…
Watch SpaceX launch private satellite-servicing spacecraft to orbit today
SpaceX will launch a trailblazing satellite-servicing mission today (July 21), and you can watch the action live. A…
Live coverage: SpaceX to launch novel geosynchronous robotic servicing satellite on decade-long mission – Spaceflight Now
Following its launch in summer 2026, Northrop Grumman’s Mission Robotic Vehicle (left) will install Mission Extension Pod (right)…