In 2019, India attempted to land a spacecraft on the Moon — and ended up painting a kilometres-long streak of debris on its barren surface. Now, the Indian Space Research Organisation has returned in triumph, with the Chandrayaan-3 lander successfully touching down near the south pole of Earth’s rocky Moon neighbor. India’s success came just ...
What do you feel when you see an aurora, and what does this have to do with solar activity? Otherwise known as the northern or southern lights, an aurora is light emitted by upper atmospheric particles as they interact with energized ones from the magnetosphere. It’s an awe-inspiring and otherworldly event that those living at ...
The first hours after a fireball sighting are like a detective mystery. Recently, people across Melbourne took to social media to report sightings of a bright light slowly streaking across the sky. Video footage clearly shows the fireball break apart, with these fragments, in turn, burning up, meaning this object was big. An unexpected piece ...
In 1977, five years before ET asked to “phone home,” two robotic spacecraft began their own journeys into space — Voyager 1 and Voyager 2. Almost 46 years later, after exploring the Solar System and beyond, one of those spacecraft — Voyager 2 — has lost contact with Earth. All communications with Voyager 2 go ...
Have you ever dreamed of gazing down at Earth from the comfort of your room? As space travel becomes more accessible, companies plan to build the first-ever space hotel. Developers envision a rotating space station with artificial gravity that will provide stunning views of Earth and space. While significant technical and safety hurdles remain, the ...
Rapid progress in artificial intelligence (AI) has spurred some leading voices in the field to call for a research pause, raise the possibility of AI-driven human extinction, and even ask for government regulation. At the heart of their concern is the idea that AI systems might become so powerful we lose control of them. But ...
The search for planets outside our Solar System — exoplanets — is one of the most rapidly growing fields in astronomy. Over the past few decades, more than 5,000 exoplanets have been detected and astronomers now estimate that, on average, there is at least one planet per star in our galaxy. Many current research efforts ...
Our Milky Way galaxy is an awe-inspiring feature of the night sky, viewable with the naked eye as a hazy band of stars stretching from horizon to horizon. For the first time, the IceCube Neutrino Observatory in Antarctica has produced an image of the Milky Way using neutrinos — tiny, ghost-like astronomical messengers. In research ...
The bright, red star Betelgeuse in the constellation Orion has shown some unexpected behavior. In late 2019 and 2020, it became fainter than we had ever seen it — at least in records going back more than a century. Briefly, it became fainter (just about) than Bellatrix, the third brightest star of Orion. This event ...
The search for habitable conditions beyond Earth has just become more interesting with the discovery on Saturn’s moon Enceladus of biologically available phosphorus. Phosphorus is the most elusive of the six crucial elements needed for life. In research published in Nature, data from the Cassini spacecraft were used to find phosphorus compounds called phosphates in ...
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