Comets and asteroids preserve the building blocks of our solar system and should help explain its origin. But there are unsolved puzzles. For example, how did icy comets obtain particles that formed ...
Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.
"We have been calling Uranus an ice giant, but we don't really know its nature." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers say ...
The Brighterside of News on MSN
Two blazing stars once raced past the Sun and reshaped our solar system
Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback