Astronomers theorize supermassive black holes at the hearts of many if not all large galaxies could host thousands of large planets out to distances up to 10 light years.
As interstellar Comet 2I/Borisov nears its closest point to the Sun on 8 December, a long tail of icy debris has formed stretching some 160,000 kilometres.
A new look at the central regions of the Milky Way, captured by the Murchison Widefield Array in Australia, has revealed 27 previously unknown supernova remnants.
Astronomers have spotted the most powerful gamma ray burst to date, a titanic explosion that emitted radiation a trillion times more energetic than visible light.
Black holes merging in the accretion disc of a supermassive black hole like the one at the core of the Milky Way might generate a visible signature, astronomers say.
Astronomers have found evidence for a complex mechanism that may explain how the Sun’s outer atmosphere, or corona, is driven to such extreme temperatures.
A star has been spotted racing out of the Milky Way at more than 6 million kph after a close encounter with the galaxy’s central supermassive black hole.