More than a decade ago, on a sweltering Saturday, an eight-year-old boy was rushed to a San Antonio hospital in a critical, unresponsive state. For days, he had suffered from a high fever, debilitating headaches, persistent vomiting, and acute sensitivity to light....
Teaching AI models to say “I’m not sure”
Confidence is persuasive. In artificial intelligence systems, it is often misleading. Today's most capable reasoning models share a trait with the loudest voice in the room: They deliver every answer with the same unshakable certainty, whether they're right or...
Mysterious rings around Uranus point to hidden moons orbiting the ice giant
New observations of Uranus's enigmatic outer rings have shown them to be even more mysterious than astronomers had thought, and their unusual properties hint at some puzzling things going on with the planet's system of moons. These observations suggest that small,...
The moon and Jupiter steal the show after sunset tonight
On Wednesday evening (April 22), assuming your skies are reasonably clear, you can finish your day by stepping outside and enjoying a view of a rendezvous of two of the brightest objects in the night sky: the moon and the planet Jupiter. About 45 minutes after the sun...
Spectacular photos of the 2026 Lyrid meteor shower captured from Earth and space
The Lyrid meteor shower put on a spectacular show last night as Earth plunged through the debris stream cast off by comet C/1861 G1 (Thatcher), triggering a peak of activity that saw shooting stars blaze a path away from the blue-white star Vega in the constellation...
Happy Earth Day! Celebrate with these amazing photos of our planet from space, from Apollo 8 to Artemis 2
This Earth Day, we're taking a moment to contemplate our planet, exploring humanity's changing perspective of Earth as seen from the vastness of space throughout history. Here are a few paraphrased options, each with a slightly different emphasis: **Option 1 (Focus on...
The Nancy Grace Roman Space Telescope, NASA’s next great observatory, is finally complete
Here are a few paraphrased options, each with a slightly different emphasis: **Option 1 (Focus on the milestone):** > GREENBELT, Md. — A significant milestone was reached Tuesday at NASA's Goddard Space Flight Center as scientists unveiled the completed Nancy Grace...
NASA shuts off another Voyager 1 instrument ahead of risky ‘Big Bang’ maneuver to save power
**Voyager 1 Powers Down Science Instrument to Conserve Energy Ahead of Major Mission Boost** In a critical move to extend its operational life, NASA has deactivated one of the final science instruments aboard the Voyager 1 spacecraft, which has been exploring the...
NASA’s Curiosity rover finds a surprising number of giant ‘dragon scales’ littered across Mars
New images from Mars have uncovered a remarkable landscape dotted with formations that strikingly resemble colossal, fossilized reptile scales. However, these intriguing geological features are not the result of extraterrestrial life. Scientists believe they are more...
Artemis moon landing could face long delay while NASA waits for next-generation spacesuits
**NASA's Ambitious Moon Mission Faces Significant Delays Due to Undelivered Spacesuits, Audit Reveals** The United States' highly anticipated return to the lunar surface, spearheaded by NASA's Artemis program, is facing a substantial setback. According to a recent...
New blood test aims to spot liver scarring before it paves the way to cancer
**Groundbreaking Blood Test Identifies Early Liver Disease Warning Sign, Offering Hope for Cancer Prevention** Scientists have developed a novel blood test capable of detecting a crucial precursor to liver disease, a condition that can tragically escalate into cancer....
A teen’s classic diabetes symptoms didn’t improve with treatment — revealing she also had a much rarer syndrome
A 17-year-old female patient from California presented with [briefly mention the main issue or reason for consultation, if known from context]. **Teenager Seeks Emergency Care for Persistent Vomiting and Chest Tightness** A teenage patient presented to an emergency...