A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system's ...

Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse. In Washington, a NASA office is leading efforts to spot and neutralize ...

In 2004, a bright point of light in the debris disk surrounding Fomalhaut was thought to be an exoplanet. But the spot ...

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has ...

NASA’s ESCAPADE mission launched two small, affordable orbiters to Mars on Blue Origin’s New Glenn rocket. Discover how these twin spacecraft will study Mars’ atmosphere, test new trajectories, and ...

What if all the planets suddenly doubled in size? Imagine the gravitational, atmospheric, and orbital upheaval across the solar system. More Teachers Resign Over Ten Commandments Law State visit costs ...