Looking for a sky event this week? Check out our full Sky This Week column. October 20: Visit the Pleiades Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT - we'll observe the pair in the evening sky,

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

The wavelengths of radio light are so large that you can't capture a high-resolution image with a single dish. To capture an image as sharp as, say, the Hubble telescope, you'd need a radio dish tens of kilometers across.

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m. EDT (1730 GMT) to watch as both comets make a close pass to Earth, making them well placed for observations.

Researchers from The University of Western Australia node at the International Centre for Radio Astronomy Research (ICRAR) have uncovered a colossal bridge of neutral hydrogen gas linking two dwarf galaxies,

The period of visibility will fall within the dates of the Orionid meteor shower, making for a once-in-a-lifetime viewing opportunity.

A new study co-led by the University of Oxford and Google Cloud has shown how general-purpose AI can accurately classify real changes in the night sky—such as an exploding star, a black hole tearing apart a passing star,

Can a machine be a great scientist? Discover how AI is changing the face of astronomy - whether it’s combing through telescope data to find rare Einstein Rings, or designing new exp