Aurora lights: The science behind the dazzling nighttime spectacle
The northern and southern lights have been treating sky watchers to spectacular shows. But what causes the colors, and why shouldn't you whistle at the aurora?...
The northern and southern lights have been treating sky watchers to spectacular shows. But what causes the colors, and why shouldn't you whistle at the aurora?...
Man is returning to the moon - and with him old rivalries and new ambitions. Europe wants to have its say; Germany wants to be at the forefront. A historic opportunity beckons for Berlin....
Hi HN, Iβm a solo dev building a clinical search engine to help my wife (a resident physician) and her colleagues. The Problem: Current tools (UpToDate/OpenEvidence) are expensive, slow, or increasing...
A SpaceX Falcon 9 rocket blasts off carrying Starlink satellites into orbit. Paul Hennessy/SOPA Images/LightRocket via Getty Images SpaceX is moving over 4,000 Starlink satellites to a lower orbit. An...
Rippling's CPO said he prefers to understaff than overstaff all his projects. Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images Rippling's product chief Matt MacInnis says he deli...
π Key Facts β A bevy of comets were skywatching highlights in 2025. β A "blood moon" total lunar eclipse occurred as a major ...
Getty Images; Tyler Le/BI Five years ago, Tim Cannon, a cancer doctor in Virginia, saw that his colon cancer patients were getting younger and their cancer was more aggressive. He had just diagnosed t...