WASHINGTON — Quantum Space says it plans to launch its first Ranger spacecraft in mid-2026 to demonstrate its capabilities for national security missions. The company announced Oct. 22 that its
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(a)–(c) Time evolution of the eccentricity of an inner super-Earth with a1 = 0.3 au and M1 = 3 M⊕, perturbed by an outer planet with different values of a2,
What new methods can be employed to help astronomers distinguish the light from an exoplanet and its host star so the former’s atmosphere can be better explored? This is what
After completing a sequence of ten flight tests punctuated by extensive static firings and cryogenic proof assessments, SpaceX is set to launch Flight 11, marking the conclusion of operations at
Media representatives joined French ESA astronaut Sophie Adenot, on Monday 5 January, for a hybrid press conference to learn more about her first mission to space. This event, held at
A screenshot of the SETI@home user interface on a desktop computer in 2009. The software ran on millions of home computers worldwide, analyzing radio data from space in search of
On January 5, media representatives gathered for a hybrid press conference with French ESA astronaut Sophie Adenot, marking a significant milestone as she prepares for her inaugural mission to space.
Voyager 2 met Uranus, our sun’s 7th planet, on January 24, 1986. Afterwards, as Voyager sped ever-outward from our sun, it obtained this backlit image. Image via NASA/JPL. EarthSky’s 2026
The Copernicus Sentinel-2 mission takes us over part of the coastal area of Rudong County on China’s eastern seaboard. Zoom in or click on the circles to explore this image
There are many meteor showers throughout the year. Here are the most prominent. For a beginner’s guide on meteors – what they are, where they come from, and how best
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