5+ day, 23+ hour ago   (667+ words) A tiny asteroid detected just hours before impact has shown how quickly modern planetary defence systems can respond. An asteroid only about 80 centimetres wide was detected in space just hours before it entered Earth’s atmosphere, giving scientists a rare opportunity…...

4+ day, 20+ hour ago   (546+ words) Scientists chased two ESA satellites as they burned through Earth’s atmosphere, capturing rare data on spacecraft reentry and atmospheric effects. Researchers have captured one of the most detailed observations yet of satellites breaking apart in Earth’s atmosphere, after a team…...

4+ week, 22+ hour ago   (433+ words) Earth erased much of the evidence from its violent early years, but the Moon did not. Rocks recovered from a previously inaccessible region are now revealing a record scientists have waited decades to examine. Rocks collected from the Moon’s far…...

1+ week, 4+ day ago   (703+ words) ESA’s BepiColombo mission is approaching a decisive stage as the spacecraft prepares for its next major steps around Mercury. The spacecraft’s approach represents a major milestone for a mission designed to operate in one of the most demanding environments ever…...

2+ week, 4+ day ago   (723+ words) Astronomers have discovered a massive rocky exoplanet with extreme density and a bizarre tilted orbit around a nearby star. Astronomers have found Gliese 523b, a bizarre exoplanet that combines a huge size, extreme density and a highly unusual orbit around its…...