As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

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 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 ...

Widespread access to solar power is vital to transitioning the US away from climate-warming fossil fuels and toward renewable energy. There's a problem: Rooftop solar panels are expensive, with prices ...

For people who have spent their careers trying to expand access to rooftop solar energy, the announcement on Monday of $7 billion worth of project support from the Biden administration is almost ...

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 ...

CNET graded each US state on how solar-friendly its residential solar policies are. Most have a long way to go in making solar more accessible and affordable. Your state might receive plenty of ...

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 ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with atmosphere, they have a wide range of characteristics distinguishing them. But if ...