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 ...

For now, we’re just going to have to trust the simulations, and rework our mental pictures of the Solar System once again. Jackie is a writer and editor from Pennsylvania. She's especially fond ...

A major highlight of the mission will take place on March 14, when Blue Ghost captures high-definition images of a total ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...