With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

Hubble doesn't just look at distant nebula and galaxies, but has also observed celestial bodies and events in our own solar ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

After dusk on Friday night, seven planets are expected to align in the night sky. But you'll need binoculars or a telescope ...

Systems like that were very useful for measuring the radio brightness and positions in the sky of cosmic radio sources, but ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

Beautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

Josh Dury, 27, captured the spectacle of the solar system's planets aligning from the Somerset's Mendips Hills on Saturday, ...