Leasing solar panels is an easy way to avoid the upfront cost of owning your own system. But it comes with other potential problems, including one most people might not think about: What happens when ...

California will start to see a partial view of the eclipse at 12:44 a.m. The total lunar eclipse will reach its peak at 3:33 a.m. and end at 6:23 a.m., according to Time and Date. The last total lunar ...

A new paper in Monthly Notices of the Royal Astronomical Society argues the simplest answer may work: contact binaries like Arrokoth can form directly during the gravitational collapse of a dense ...

At the very edge of the Solar System, humanity’s oldest spacecraft are still sending data back to Earth. Strange signals, unexpected behavior, and unexplained readings have raised new questions about ...

The NASA administrator Jared Isaacman tells Ross Douthat how his trips to space shaped his perspective on space travel.

Far beyond Pluto lies a massive, invisible reservoir of icy objects surrounding the Sun. This episode explores the Oort Cloud, explaining why long-period comets appear from all directions and how ...

They should all be visible in the same part of the sky shortly after sunset, creating what is often called a planetary parade ...

Parties on both sides of a long-running debate over the California Public Utilities Commission’s controversial overhaul of ...

Can NASA and Elon Musk get us to Mars and beyond?

Six planets will briefly share the twilight sky this month - but the conditions have to be just right.

Since Pluto remains in the sun’s orbit, it should be considered a planet due to the fact that it is still a part of the solar system. And since Pluto is still hanging on at the end of the system, it ...