A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked. For years, scientists have argued over whether a fossil dating back about seven million years was capable of walking upright. That question matters because bipedal movement مزید پڑھیں
Four planets orbiting a newly born star in our galaxy are so light that they have the density of polystyrene, and could provide a key missing link in helping us understand how the most common planetary systems form. Solar system مزید پڑھیں
A new study reveals that roasted coffee contains previously unknown compounds capable of inhibiting a key enzyme linked to blood sugar control. Scientists have identified three compounds that strongly inhibited α-glucosidase, an enzyme that plays a central role in breaking مزید پڑھیں
Researchers found that sunburn disables a natural skin defense, allowing inflammation to trigger dangerous changes in cells. Understanding this process could help stop skin cancer before it starts. Sunlight plays an essential role in human health by helping the body مزید پڑھیں
Researchers have proposed a unifying mathematical framework that helps explain why many successful multimodal AI systems work. Artificial intelligence is increasingly relied on to combine and interpret different kinds of data, including text, images, audio, and video. One obstacle that مزید پڑھیں
Astronomers have seen spacetime itself wobble near a spinning black hole for the first time. The discovery, revealed during a star’s destruction, confirms a major prediction of Einstein’s theory of relativity. The universe has delivered a rare breakthrough for scientists مزید پڑھیں
Tiny molecules that can think, remember, and learn may be the missing link between electronics and the brain. For more than half a century, researchers have looked for ways to move past silicon by building electronics from molecules. The idea مزید پڑھیں
Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup. A new study reports that astronomers have directly measured both the mass and distance of a newly found free-floating مزید پڑھیں
Hubble unveils the “Lost Galaxy” as a vibrant spiral alive with newborn stars and glowing clouds of cosmic energy. This Hubble Space Telescope image highlights the spiral galaxy NGC 4535, a vast system of stars located about 50 million light-years مزید پڑھیں
Ancient Australian rocks suggest Earth’s continents formed later than expected and share a common origin with the Moon. A study of feldspar crystals preserved in Australia’s oldest magmatic rocks is shedding new light on the early evolution of Earth’s mantle مزید پڑھیں