How one scientist’s wide-eyed dream of giant space cities was crushed by reality
There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by millions…
When And Where To See The Two Green Comets
Topline Two green comets will shine together — possibly to the naked eye — around Oct. 20-21 as…
Blue Origin launches 6 ‘Space Nomads,’ including mystery passenger, on suborbital space tourist flight (video)
Blue Origin launched its 15th space tourism flight today (Oct. 8), sending six people on a brief trip…
Longstanding “Ice Giant” Classification of Uranus and Neptune Might Be Conflicted
What if our understanding of Uranus and Neptune’s compositions have been wrong, specifically regarding their classifications as “ice…
New comet Lemmon could shine bright enough to be seen with the naked eye this October
Comet Lemmon captured by astrophotographer Dan Bartlett on Sept. 26. (Image credit: Dan Bartlett) Comet Lemmon (C/2025 A6)…
Stoke Space raises $510 million
AUCKLAND, New Zealand — Stoke Space, a company developing a fully reusable launch vehicle, has raised $510 million…
Russia’s Space Zoo With 75 Mice And 1,500 Flies Is Back On Earth
Institute of Biomedical Problems When humanity ventures out…
“Solar rain” falls on the Sun during flares, but it’s not made of water
The Sun has a weather pattern of its own, and one of the strangest features is the solar…
‘Complex chemical reactions’ renew hope for life on Enceladus
NASA’s Cassini spacecraft, which explored Saturn and its moons for more than a decade, has yielded a new…
Blue Origin transports New Glenn booster to launch site ahead of Mars-bound mission – Spaceflight Now
Blue Origin transported its New Glenn first stage booster, ‘Never Tell Me the Odds,’ from its facilities at…
NASA Detects Asteroid 2024 YR4 on a Possible Collision Course With the Moon (and scientists are bracing for impact)
IN A NUTSHELL 🌕 NASA identifies a potential threat from a high-speed asteroid that could collide with the…