Comtech modem earns first sovereign certification for SES O3b mPOWER network
Tuesday, 23 September 2025 08:41
Comtech Telecommunications Corp. (NASDAQ: CMTL) has announced that its software-defined SLM-5650B modem is the first sovereign-certified terminal to earn Government Terminal Certification (GTC) for operations on SES's O3b mPOWER Medium Earth Orbit (MEO) satellite constellation.
The certification enables the U.S. Department of Defense (DoD) and coalition partners to deploy Comtech's modem o Ten Years Later, LIGO is a Black-Hole Hunting Machine
Tuesday, 23 September 2025 08:41
On September 14, 2015, a signal arrived on Earth, carrying information about a pair of remote black holes that had spiraled together and merged. The signal had traveled about 1.3 billion years to reach us at the speed of light - but it was not made of light. It was a different kind of signal: a quivering of space-time called gravitational waves first predicted by Albert Einstein 100 years prior. Simulations reveal origins of globular clusters and uncover hybrid star systems
Tuesday, 23 September 2025 08:41
Scientists have long debated the origins of globular clusters, the universe's ancient and densely packed stellar systems. Now, researchers at the University of Surrey, using advanced simulations, have resolved the centuries-old question and identified an entirely new category of star system.
Globular clusters contain hundreds of thousands to millions of stars orbiting galaxies like the Mil NASA Arcstone satellite and spectrometer begin active lunar calibration mission
Tuesday, 23 September 2025 08:41
Commissioning of NASA's Arcstone satellite and spectrometer has been completed, marking the transition to full scientific operations. Launched July 23 on a SpaceX Transporter-14 rideshare mission from Vandenberg Space Force Base in California, the satellite's bus and instrument underwent initial checkouts before activation.
On August 13, Arcstone began recording validated solar and lunar s NASA announces 10 new astronaut candidates
Tuesday, 23 September 2025 08:41
NASA announced 10 new astronaut candidates Monday following a rigorous selection process from more than 8,000 candidates.
The new class of candidates will complete two years of training before they're eligible for flight assignments supporting future science and exploration missions to low-Earth orbit, the moon and Mars, a press release said.
The class was welcomed during a cerem NASA Prepares Artemis II Rocket with Crew Upgrades for Lunar Flight
Tuesday, 23 September 2025 08:41
NASA's Artemis II Space Launch System (SLS) rocket, which will send four astronauts on a mission around the Moon next year, has been upgraded with new safety and performance enhancements. While structurally similar to the Artemis I rocket, the latest version incorporates lessons learned from its uncrewed predecessor.
Artemis I proved SLS's precision and strength, with its first flight exce Scaling up IRIS² to meet evolving demands
Tuesday, 23 September 2025 01:43
SAN FRANCISCO – European civil space leaders suggested expanding their flagship campaign to develop a secure communications constellation.
Lockheed Martin delivers 21 satellites for next launch of U.S. military ‘Transport Layer’
Monday, 22 September 2025 21:44
The company’s Tranche 1 Transport Layer satellites were built with buses provided by Terran Orbital, a Lockheed Martin subsidiary
Air Force Secretary warns of ‘Sputnik moment’ as U.S. faces China’s rapid military advances
Monday, 22 September 2025 19:45
The Department of the Air Force’s top civilian overseeing both the Air Force and the Space Force said he is increasingly worried about the services’ pace of innovation.
NASA selects new astronaut class
Monday, 22 September 2025 19:42
NASA announced its newest class of astronauts Sept.
Falcon 9 launch pushes NRO satellite fleet past 200 in orbit
Monday, 22 September 2025 18:56
The launch of NROL-48 marked the eleventh launch in the NRO’s growing proliferated architecture
NASA introduces its newest astronauts: 10 chosen from more than 8,000 applicants
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Celestial mechanics: Analytical model reveals true cause of orbit bifurcations near Lagrange points
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The homebuyer's guide to Martian settlement
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Selfies from space: Nanosatellite completes first phase of mission
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