Humanity has already flung machines into interstellar space, but sending people is a different problem entirely. The physics ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

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 ...

This rogue star has been traveling the Universe. And now, it's finally entering our Solar System. But this isn't just any ...