A Rare Brown Dwarf: HIP 71618 B A New Giant Planet: HIP 54515 b — W. M. Keck Observatory and the Subaru Telescope. Astronomers using W. M. Keck
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Boeing to boost production of missile-tracking sensors for military satellites
WASHINGTON — Boeing opened a new production facility at its El Segundo, California, campus to manufacture electro-optical infrared, or EO/IR, sensors for U.S. military satellites, expanding capacity as demand grows
NASA completes second Artemis 2 fueling test
WASHINGTON — NASA completed a second wet dress rehearsal for the Artemis 2 mission on Feb. 19 without any of the hydrogen leaks seen in the first such test earlier
Too many satellites? Is Earth’s orbit headed for catastrophe?
Here’s an astronomer’s view of a star obscured by streaks from Starlink satellites. Are there too many satellites in orbit around Earth? Image via Rafael Schmall/ NOIRLab. The number of
John Glenn 1st American in orbit 64 years ago today
John Glenn became the 1st American in orbit on February 20, 1962. Astronaut Glenn sits outside the space capsule Friendship 7. Image via NASA. EarthSky’s 2026 lunar calendar is available
Smile sets sail for Europe’s Spaceport in French Guiana
Science & Exploration 20/02/2026 65 views 1 likes Using X-ray and ultraviolet cameras, as well as particle and magnetic field detectors, Smile will give humankind its first complete look at
Earth from Space: Ouarzazate, Morocco
The Copernicus Sentinel-2 mission takes us over south-central Morocco, near the city of Ouarzazate. Zoom in or click on the circles to explore this image at its full 10 m
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Germany’s first national space security strategy was unveiled last month to much fanfare. And who’s surprised? It was long overdue, and puts into plain language a simple but vital truth:
WASHINGTON — Max Space, a startup developing expandable module technologies, plans to build a commercial space station that could launch on a single Falcon 9 rocket. The company unveiled plans
Enabling & Support 17/12/2025 312 views 11 likes It has been a busy year for the European Space Agency’s Proba-3 mission. The satellite duo has already created more than 50
The legacy of Official UFO Magazine is a fascinating tapestry woven with the threads of curiosity, skepticism, and relentless exploration of the unknown. Established in the mid-1970s, the magazine became
WASHINGTON — An Ariane 6 rocket placed two satellites for Europe’s Galileo navigation system into orbit Dec. 17. An Ariane 62 lifted off from the European spaceport in Kourou, French
View larger. | Artist’s concept of the double-tailed planet WASP-121 b. The tails span nearly 60% of the planet’s orbit around its star. They form as the atmosphere of the
QMS signals recorded during the consecutive deposition of O2 at m/z = 32 and H2O at m/z = 17. — astro-ph.GA Interstellar ices are mainly composed of amorphous solid water
In astronomy, there is a concept called “degeneracy”. It has nothing to do with delinquent people, but instead is used to describe data that could be interpreted multiple ways. In
Artist’s concept of exoplanet TRAPPIST-1e, about 40 light-years from Earth. A new study urges caution when trying to determine if there is a methane atmosphere on TRAPPIST-1e, or any atmosphere
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