Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

Mercury in Pisces will clash with Jupiter in Gemini, triggering everything from mixed signals and missed messages to an ...

Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Right now, Mars is a reddish desert landscape – attractive but dead, and certainly not home to any little green men.

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Make time soon to head outside after the sun sets and study the sky. Five of the brightest planets — Venus, Jupiter, Mars, ...

Launched into Earth's orbit last June, GOES-19 is the newest addition to NOAA's fleet, equipped with a sensor called the ...