In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

A new study has unveiled new insights into the effects of massive stars on nearby molecular gas and star formation in the W4 super-large HII region.

When we visited Yerkes Observatory in 2021, it was closed and faced a daunting road back, yet its director had big plans. It ...

De Gregorio, the ESO's representative in Chile, warns that the country's unique "window onto the universe" could close, hampering scientists' quest to answer the great question of our time: Are we the ...

Researchers using the Event Horizon Telescope have significantly advanced our understanding of the supermassive black hole at the center of M87, revealing new details about its rotation and the ...

A full moon will rise in the sky this week but will it still be that way by the time Valentine's Day rolls around?

The University of the Philippines National Institute for Science and Mathematics (UP NISMED) has invited the public to ...

South Africa's MeerKAT telescope makes groundbreaking discovery of giant radio galaxy, shedding new light on the universe.

* Apparent temperature (App Temp) for Sydney - Observatory Hill is calculated using temperature observations collected at Sydney - Observatory Hill and wind observations collected at Fort Denison, as ...