New Year's Eve sky: Here's what to look out for on the final night of 2025
Constellations, planets, a waxing moon and more grace the night sky this New Year's Eve....
21hSpace.comScience
Constellations, planets, a waxing moon and more grace the night sky this New Year's Eve....
📋 Key Facts ✓ The first scientific balloon flight occurred on December 16, 2025 ✓ NASA conducted the launch in Antarctica ...
By inserting tiny imperfections into the stones, scientists open up possibilities in computing, encryption and sensors...
All the NASA engineers and scientists need is a star on top of the telescope in the cleanroom....
Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas....
From auroras at 36,000 feet to comet flybys and eclipses, these are the standout images our readers shared with Space.com in 2025....
US Representative Warren Davidson said the stablecoin-focused GENIUS Act may backfire on Americans by stripping them of their financial freedom and privacy....
2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve months....
Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos....
3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers....
An online video has gone viral showing 93-year-old Dr. Marshall Lindheimer, who has dementia, hearing about his groundbreaking research to treat and diagnose the pregnancy condition of preeclampsia....
Beneath the Mediterranean, physicists at the Cubic Kilometre Neutrino Telescope Initiative built a cathedral of glass spheres that listens for cosmic whispers—and this year, it heard the most energeti...
📋 Key Facts ✓ New research suggests complex cognitive challenges slow neural aging by years. ✓ Strategy video games like StarCraft II a...
📋 Key Facts ✓ Tory Bruno has abruptly resigned as CEO of United Launch Alliance. ✓ He served in the role for 12 years. ...
📋 Key Facts ✓ The quiz tests cosmic eye by matching dazzling nebula images to names. ✓ Focuses on stunning space structures in the scie...
📋 Key Facts ✓ Weather set to turn colder during Christmas week in the UK. ✓ White Christmas unlikely for most areas. ✓ ...
📋 Key Facts ✓ Southern resident killer whales are endangered. ✓ These orcas are fighting for survival. ✓ Scient...
📋 Key Facts ✓ An analysis examined the expansion of cracks in the Thwaites Glacier. ✓ The study covers the past 20 years of observation...
📋 Key Facts ✓ 2025 is likely to be the UK's hottest year on record. ✓ The Met Office has made this prediction. ✓ ...