Astronomers have officially announced the name of the largest structure in the known universe. It was reported earlier this ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Radiation belts are a normal part of the architecture of a planet with a global magnetic field. Stars are constantly leaking particles, borne by a stellar wind; these stream out and, where they ...

Solar power users in Johannesburg who are keen to sell back their excess electricity will have to wait several more months ...

Eskom is encouraging the public to register a solar system as all unregistered grid-tied solar systems are now considered illegal.

A GPS smartwatch that helps beginners gamify their fitness with car-like data and takes elite athletes to new levels.

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense atmosphere formed.

(The point at the end of the apsis is the aphelion). For some bodies, like all of the planets of the solar system, the difference between the perihelion and aphelion is quite negligible.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...