Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 45 min 23 sec ago
MIT robot builds working laser cavity in 50 maneuvers under 30 minutes, self-corrects after disruption
Massachusetts Institute of Technology researchers developed a robotic optics laboratory. This system autonomously assembles and aligns laser cavities with precision. The robot can also correct experimental setups after they are disturbed. This technology could accelerate testing for various optical devices and materials. Future applications envision remote interaction with these automated research environments.
California buried a gas pipeline and removed its final barrier; salmon returned after 70 years
A decades-long barrier blocking fish migration in Alameda Creek was removed in 2025. This action reopened over twenty miles of upstream habitat for migratory fish. Chinook salmon were documented in the newly accessible area shortly after the construction. This marked the first access to this watershed section since the 1950s. The project is part of a larger, nearly thirty-year restoration effort.
Fourteen tail vertebrae found in Spain replaces North America as the only Diplodocus site
A significant paleontological breakthrough has occurred in Spain, where researchers have identified the first confirmed Diplodocus fossils beyond North America. Found in Teruel, these tail vertebrae date back around 150 million years. The discovery implies that during the Late Jurassic era, declining sea levels could have permitted dinosaurs to migrate between continents.
Nasa’s Apollo-Soyuz pocket calculator reached the Smithsonian 37 years after its 1975 mission
The Apollo-Soyuz mission featured a remarkable pocket-sized Hewlett-Packard calculator, designed to serve as a safeguard for critical navigational calculations. Now housed at the Smithsonian's National Air and Space Museum, this innovative device holds the title of the first magnetic card programmable handheld scientific calculator. It stands as a testament to the early integration of portable technology in the exploration of outer space.
In 2019, Wisconsin turned 87,000 cubic yards of harbor dredge into 14 acres of shorebird habitat
After nearly five decades, piping plovers triumphantly return to Wisconsin Point, symbolizing a remarkable achievement in conservation. Thanks to a dedicated $4.5 million habitat restoration initiative, 14 acres of essential nesting and feeding grounds have been established from harbor sediment. Protective measures like seasonal closures and predator exclosures have been implemented to ensure the safety of these delicate birds.
To read 2,000-year-old Vesuvius scrolls, Berkeley scientists burned student-written papyrus; leaded ink stood out in X-rays
In a remarkable fusion of ancient and modern techniques, scientists have burned contemporary scrolls to unravel the secrets of ancient writings. The innovative use of leaded ink was highlighted through X-ray scans, providing insights into fragile scrolls from Herculaneum. By adapting advanced software, researchers achieved layer separation, paving the way for a more secure recovery of vanished historical texts.
Taiwanese students turn oyster shells and coral waste into 3D-printed reef structures
Taiwanese students developed Reefvive, using oyster shells and coral gravel for 3D-printed reef bases. These structures provide a stable foundation for coral fragments to grow. Underwater trials showed a perfect survival rate for all attached coral fragments. Marine creatures quickly inhabited the new reef structures, demonstrating their effectiveness. The project aims to make coral restoration more accessible and scalable.
From tens of millions to 1,000: 140 years after vanishing, America’s bison return to the prairie
Bison are revered as America's national mammal, symbolizing rich cultural and ecological traditions for indigenous communities. Throughout the 1800s, rampant hunting and westward expansion caused their near extinction. However, through dedicated conservation initiatives, bison populations have rebounded. Native tribes and conservation groups are now working to restore bison to their historic habitats, enriching the Great Plains and celebrating their ancestral legacy.
Whale Post-Mortem Behaviour: Study details mother’s vigil; scientists urge further observations
Off the Gold Coast of Australia, researchers captured a remarkable sight: a mother humpback whale exhibiting attentive behavior towards her stillborn calf resting on the ocean floor. This poignant spectacle lasted for several hours and marks the inaugural scientific documentation of such a phenomenon among humpback whales, shedding light on the profound maternal connections and possible expressions of grief within these majestic creatures.
