NASA's Director of Planetary Science, Jim Green, discusses the Jan. 20 2016 Astronomical Journal science paper that points to ...

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

Astronomers have discovered 85 possible exoplanets outside the Solar System which could potentially sustain life after ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

For billions of years, it's kept our ... solar system. The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets ...

NASA is working on a mission concept called SWIM, or Sensing With Independent Micro-swimmers. The idea is to develop a whole swarm of underwater robots that can work together to explore large areas.

A NASA Hubble Space Telescope observation program ... humankind's first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977, the ...

Want to see Mars at its brightest in January? The best telescopes for seeing planets give you the clearest views of our celestial neighbors. The new year is a great time to test out your ...

But the formation process of multi-planet systems, like our own Solar System, is still poorly understood. The best example object to study multi-planet system formation is a young star known as ...

It seems 2025 will have a strong start, too, with a planet parade just a ... be able to see the crown jewel of our solar system in all its glory. Standard space viewing rules also apply here.