Currently, only about 1% of stars host giant planets or brown dwarfs that our telescopes can photograph directly. This ...
New simulations suggest Uranus and Neptune may contain far more rock than ice, offering fresh explanations for their unusual ...
Nearly five decades after launch, Voyager 1 is still moving, further and deeper into space than any human-made object before ...
Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...