While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

In principle, a primordial black hole's gravitational pull "could produce wobbles in the orbits of objects in the solar system that are big enough for us to measure." The scientists ended up focusing ...

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 ...