The fourth day of the 18th annual Space Telescope Advent Calendar features a cluster of powerful infant stars blasting a ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

The third day of the 18th annual Space Telescope Advent Calendar features a deep-space image of more than 100 galaxies close ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a camera so powerful it can see light from galaxies that formed more than 13 ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

The world's first telescope, crafted in 1608 by the Dutch eyeglass maker Hans Lippershey, led to stunning technologies that would later revolutionize our understanding of the universe. While his ...

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...