Since Galileo first observed them through his telescope in the early 1600s, sunspots have fascinated scientists.

While Galileo didn't invent the telescope, he is the person most inextricably tied to its use and development. The field of optics had become so established, and the principles behind Lippershey's ...

Galluzzi said Galileo used a telescope, not necessarily the one in the Philadelphia show, to identify the four moons of Jupiter on January 13, 1610. "He was the first man who had the privilege of ...

Scientists spice up old Hubble Telescope image to shine light on spectacular star cluster. Julian Dossett. Tue, April 8, 2025 at 1:00 PM UTC. 2 min read.

Peering at a dusty pocket of our galaxy about 11,000 light-years away in the constellation Cassiopeia, the James Webb Space Telescope's powerful infrared eyes watched as light from a centuries-old ...

Rather, it's an old photo from the Hubble Space Telescope's archives that has been augmented with additional data and processing techniques as a part of a new image series that celebrates Hubble's ...

‘Galileo, the Medici and the Age of Astronomy’ opens Saturday in Philadelphia. Shown is Galileo Galilei’s telescope during a press preview for the exhibition at The Franklin Institute in ...

In 2003, the Hubble Space Telescope detected what appeared to be the oldest known planet, a massive world clocking in at about 13 billion years old.The discovery raised questions about how such ...

The James Webb Space Telescope has confirmed 20-year-old Hubble observations that could finally explain how ancient stars can host massive planets. When you purchase through links on our site, we ...