New forecasts are helping scientists pinpoint one of the most elusive locations in space: the outer boundary of the Sun’s vast protective bubble. By combining solar wind predictions with advanced ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our own solar system? While distant galaxies reveal clear signs of something ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...