Our understanding of Mars’s past and present has been revolutionized over the past 50 years, and multiple missions this ...

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of ...

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Envisioning a world without major carbon dioxide (CO₂) emissions may seem like stepping into a sci-fi movie, yet it’s a ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Why the 'Planet Parade' will peak this weekend and look its best until 2036 as all seven other planets in the solar system ...

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

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

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

Mississippi stargazers will be able to see 4 or 5 planets in the night sky with their naked eye this month. Will you be able ...

Planet Fitness stock price has bounced back after bottoming at $23.76 in 2020 to a high of $109.75 earlier this year. It has ...

Espen Barth Eide made the remarks on the sidelines as the first G20 meeting of foreign ministers wrapped up in Johannesburg.