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

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

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

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

Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

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 ...

Mars, our neighboring red planet, possesses some of the most dazzling and extreme geological features within our solar system ...

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

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

Pluto was once the ninth planet of our solar system, until scientists reclassified it in 2006, sparking outrage and debate.

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