A monster in deep space

HUBBLE SPACE TELESCOPE, 22 DECEMBER 2025 Spiral galaxies MCG-02-05-050 (right) and -050a (left) are together known as Arp 4. That means they feature in Halton Arp's Atlas of Peculiar Galaxies, compile

The interstellar comet or spacecraft, 3I/Atlas (FT465:27) excited the world of ufology in 2025. Despite Avi Loeb’s best efforts, most experts regarded it as an unusual object but not a 33-billion-ton

An unusual spacecraft reached orbit in November 2025, one that might herald the dawn of a new era. Called Starcloud-1, it was the size of a small fridge and carried an advanced NVIDIA chip designed to

When to use this chart 1 Feb 00:00 AEDT (31 Jan, 13:00 UT) 15 Feb 23:00 AEDT (12:00 UT) 28 Feb 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Austr

NASA’s JWST has observed an exoplanet with an atmospheric composition that “defes explanation”, presenting one of the most puzzling discoveries in planetary science to date. The researchers say the fn

What is a gamma-ray burst? Gamma-ray bursts (GRBs) are intense sources of high-energy radiation that we detect on Earth in the form of gamma rays. They were first detected in the 1960s by US military