Rocket Report: India’s Vikram-1 nears debut flight; AST to become rocket company?
How many launches to build a data center megaconstellation? In a new feature, Ars looks into the technical…
A 4-billion-year-old weather report. NASA rover discovers asteroid impact on Mars rivalling the one that killed the dinosaurs
A robotic NASA rover on Mars has found evidence of repeated asteroid impacts on the Red Planet that…
Pluto flyby mission wakes up after long sleep nearly 6 billion miles from Earth
A groundbreaking mission that explored Pluto and distant solar system objects in unprecedented detail has awakened from its…
NASA’s Artemis III will need three rockets to do the job Apollo did with one
SCIENCE Blue Origin and SpaceX get their turn to prove they can dock, loiter, and not blow up…
A Physicist Says One Problem Could Sink Musk’s Mars Ambitions
An astrophysicist is giving Elon Musk’s dream of life on Mars a reality check. The SpaceX CEO has…
570-Megapixel Dark Energy Camera Photographs Van Gogh-Esque ‘Starry Night’
The Dark Energy Camera (DECam) pointed its 570-megapixel CCD image sensor, housed inside the Victor M. Blanco 4-meter…
SpaceX aborts Starship Flight 13 launch attempt
WASHINGTON — SpaceX aborted the launch of its latest Starship test flight July 16 when some of the…
Chinese scientists have bad news on having babies in space. But there is a silver lining
If the future of humanity lies in the vast expanse of space, could humans actually perpetuate the species…
After a lifetime of waiting, I’ll finally witness a total solar eclipse next month on Aug. 12
On Aug. 12, I get to fulfil a lifelong ambition. I’ll take a flight to Madrid and travel…
Astronomers have found the first stellar-mass black hole in Omega Centauri, locked with a star in a 94-year orbit — the longest-period black hole binary yet found
By the time a star in Omega Centauri finishes a single loop around its companion, a person born…
SpaceX launches 21 satellites for military data network
WASHINGTON — A SpaceX Falcon 9 rocket on July 16 launched 21 satellites for the Space Force’s Space…
Nature study identifies a new way to spot nuclear weapons in orbit
NEW YORK — A study published last week in Nature Astronomy has proposed a new satellite design and…