Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Witness a rare celestial spectacle as all seven planets in our solar system align next week—an event that won't repeat until ...

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

Planet ‘parades’ are not uncommon. While occasionally spotting 4-5 planets is not unusual, sighting the alignment of all 7 ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

A rare celestial event will take place on February 28 this year, when all seven planets in our solar system will line up and ...

The European Southern Observatory's Very Large Telescope (VLT) imaged both of the planets directly, and PDS 70b has the ...

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

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...