The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...
When NASA’s twin Voyager probes left Earth in 1977, they carried computers weaker than a hand calculator and a modest goal of ...
Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...
An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...