Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

A “natural history” approach to space exploration would take into account instead developments in the fields of physics, ...

Currently, the Moon is drifting away from Earth at a rate of about 1.6 inches per year making it slowly appear smaller in the ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Eclipses are not just a visual spectacle; they remind us of the intricate dance of celestial bodies in our solar system. In addition to the solar eclipse, there will be two significant lunar eclipses.

NASA data reveals a dramatic blue glow from the ancient interstellar comet 3I/ATLAS. Discover why this 8-billion-year-old ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...