If you’re hoping for a festive skywatching surprise, Christmas week is shaping up to be more active than usual in space. Fast solar wind from a large coronal hole on the sun has already triggered minor (G1) geomagnetic storms and forecasters…

If you’re hoping for a festive skywatching surprise, Christmas week is shaping up to be more active than usual in space. Fast solar wind from a large coronal hole on the sun has already triggered minor (G1) geomagnetic storms and forecasters…

December 24, 2025
2 min read
Add Us On GoogleAdd SciAm
Watch Scientific American’s Favorite Science Videos of 2025
On TikTok and other short-form video platforms, Scientific American explored the underground labs of Greenland, brand-new colors and…

Something unusual happened on the human family tree during the Last Ice Age, roughly 45,000 years ago. A new wave of modern humans, now called the LRJ Group, wandered into Europe from Africa and found a continent already home to a very different…

At COP30 in Brazil, Australian scientists warned that Antarctica is beginning to experience abrupt, irreversible climate changes.
This dire analysis comes as global average temperatures are increasing past the 1.5 degrees Celsius (2.7 degrees…

Mathematics is a “science which requires a great amount of imagination”, said the 19th-century Russian maths professor Sofya Kovalevskaya – a pioneering figure for women’s equality in this subject.
We all have an imagination, so I believe…

Russian state-owned Energia rocket company has secured a patent for a novel spacecraft architecture designed to generate artificial gravity, a capability which could provide a huge boost for long-duration crewed missions.
A report from Russian…

You have full access to this article via your institution.
…

As if to underscore the need to avoid the Kessler Syndrome, a scenario in which cascading debris can make some orbits difficult to use, a Starlink satellite vented propellant and released debris following an onboard “anomaly” late last week.
The…

Earth’s seasonal cycles can vary dramatically across short distances, even at the same latitudes, a new study suggests.
Researchers have compiled a detailed map of seasonal rhythms around the world, which shows that some physically close regions…