Which refractor telescope is best? Space has intrigued humankind ever since we looked skyward for the first time. While it is difficult to imagine what our ancestors thought of the twinkling lights, ...

Add Yahoo as a preferred source to see more of our stories on Google. Children love looking up at the stars and imagining distant galaxies, but with just their eyes, they can only see so much.

Concept design for a rectangular space telescope, modeled after the Diffractive Interfero Coronagraph Exoplanet Resolver (DICER), a notional infrared space observatory, and the James Webb Space ...

Scientists imaged the heart of the OJ 287 galaxy, uncovering a curved plasma jet around what appears to be two merging supermassive black holes. The structure reveals unimaginable energy levels and ...

Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy. The far side of the moon (shown in this image from Artemis II) is an ideal ...