The sun’s outer atmosphere resembles a pufferfish.

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

When scientists cracked open the first grains from asteroid Bennu, they expected a time capsule of rock and dust. What they ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...