All articles
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Astronomy
How Astronomers Measure Cosmic Distances: The Distance Ladder
No single method measures the universe. Astronomers climb a ladder — parallax, then pulsing Cepheid stars, then exploding white dwarfs, then redshift — each rung calibrating the next, and a crack near the top is now cosmology's biggest open problem.
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Science & Discovery
James Webb's Biggest Discoveries So Far
From the most distant confirmed galaxy to overmassive black holes, a disputed biosignature, and proof the Hubble tension is real, here are JWST's most significant verified findings, sourced to NASA, ESA, and peer review.
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Commercial
The World's Spaceports: Why Rockets Launch Where They Do
Latitude, launch azimuth, and downrange safety corridors dictate where a rocket can lift off. A tour of Cape Canaveral, Vandenberg, Baikonur, Kourou, Wenchang, and Mahia shows the physics — and the history — behind each choice.
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Stargazing
The Total Solar Eclipse of August 12, 2026: The Complete Viewing Guide
On August 12, 2026 the Moon's shadow sweeps from the Arctic across Greenland, Iceland, and Spain — the first total solar eclipse to reach mainland Europe since 1999. Exact times, best viewing spots, weather odds, safety rules, and what U.S. skywatchers will and won't see.
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Commercial
Vast's Haven-1 in 2026: a 3D-printed space station preparing to host orbital manufacturing
Vast's Haven-1 station is now targeting Q1 2027 after its Haven Demo pathfinder flew 49 test objectives. The single-module outpost carries metal 3D-printed hardware — and its manufacturing network now spans orbital bioprinting, drug crystallization, and pharma production partners.
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Commercial
Rocket Launch Vehicles Compared: Payload, Cost, and Reusability in 2026
Falcon 9, Falcon Heavy, Starship, New Glenn, Vulcan Centaur, Neutron, Ariane 6, and six more launch vehicles compared on payload, cost per launch, and reusability, including China's Long March 10B, which on July 10 became just the third rocket in history to catch its own booster.
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Astronomy
Euclid Doubles the Known Sample of the Universe's Most Ancient Quasars
ESA's Euclid telescope has found 31 new quasars from the cosmic dawn, including two record-breakers at redshifts 7.77 and 7.69, more than doubling the known sample from that era.
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Science & Discovery
Beta Pictoris Gains a Third Confirmed World, Joining an Elite Club of Directly Imaged Systems
NASA's Exoplanet Archive confirmed Beta Pictoris d in its July 9 update, making Beta Pictoris only the second directly imaged system known to host more than two planets.
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Commercial
Katalyst's LINK Spacecraft Begins Checkouts Ahead of Historic Rescue Docking With NASA's Swift Observatory
Katalyst's LINK servicer is testing its xenon thrusters in orbit ahead of an unprecedented docking attempt meant to save NASA's decaying Swift Observatory from reentry.
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Missions
New Horizons Wakes From Its Longest-Ever Hibernation, 5.9 Billion Miles From Earth
NASA's New Horizons spacecraft has woken from a record 321-day hibernation nearly 6 billion miles out, reporting all-green status as it resumes Kuiper Belt science ahead of exiting the solar system's edge by 2028-2029.
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Military Space
Space Force Adds Relativity Space and Impulse Space to Its National Security Launch Roster
Space Systems Command has admitted Relativity Space and Impulse Space to the NSSL Phase 3 Lane 1 contract pool, giving the two commercial newcomers a shot at up to $5.6 billion in military launch task orders.
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Missions
Three Months After Circling the Moon, the Artemis II Crew Comes Home to Kennedy
Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen returned to Kennedy Space Center on July 8 for the first time since their record-breaking lunar flyby, and used the visit to start handing off lessons to the Artemis III crew.
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