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

Among the most prevalent stars in our galaxy are red dwarfs, M-dwarf stars that are smaller and cooler than our Sun. The ...

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

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

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

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

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

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

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

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

Experienced network designers know that the performance achievable of a data link depends on many factors, including the ...