Mercury takes only 88 Earth days to orbit the sun.

Callsen’s bill also raises to 600 MW, from 200 MW currently, the target for solar on previously developed sites. It also ...

“There are three instances (all realizations about the sky before I was 12): First was when as a child, enthralled with the rockets of the space program, I realized that Mercury astronauts Shepard, ...

Witness a rare celestial event as the moon aligns with Uranus and other planets throughout February, visible even in ...

Witness a rare celestial spectacle as seven planets align in the night sky for one night in late February, offering a ...

The space agency's planetary science analysis groups must pause while NASA checks if they comply with Trump's orders.

Nearly one third of known exoplanets are enormous gas giants, similar to Jupiter or Saturn. But whereas our solar system ...

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will ...

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of planets.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...