A quote of the day picks one powerful line of wisdom to spark inspiration, teach a lesson, or prompt daily reflection amid ...

Recent scientific breakthroughs include a detailed map of dark matter, a new Galileo satellite launch contract, an updated ...

In the course of his life, Galileo clashed with other philosophers and religious figures who were committed to the geocentric ...

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

The comet was discovered in its final stage before impact. As luck would have it, NASA had a probe on its way to Jupiter, ...

At Armagh Observatory, Italian-born astronomer Dr. Stefano Bagnulo shares his lifelong passion for astronomy, his ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on the gas giant—so thick that no spacecraft has been able to measure exactly ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A couple more test flights, and SpaceX plans to launch it into orbit.

Explore the cosmos through the eyes of the James Webb Space Telescope and the Hubble Telescope!