The recent deaths of two white dwarf stars are challenging our understanding of both novae and the powerful physics underlying star death. According...

For more than a decade, cosmology has been stuck with a puzzling contradiction. Two of the most trusted ways of measuring the universe’s expansion...

For more than a decade, cosmology has been stuck with a puzzling contradiction. Two of the most trusted ways of measuring the universe’s expansion...

Astronomers have discovered one of the largest rotating structures ever seen in the universe: a razor-thin line of galaxies inside a massive, spinning...

Star formation should be a relatively straightforward process. Dense clouds of molecular hydrogen collapse under gravity, fragmenting into cores that...

Star formation should be a relatively straightforward process. Dense clouds of molecular hydrogen collapse under gravity, fragmenting into cores that...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention of scientists, because...

Only 70 light-years from Earth, a star called Kappa Tucanae A hosts one of astronomy’s strangest mysteries. Around it swirls dust so...

Only 70 light-years from Earth, a star called Kappa Tucanae A hosts one of astronomy’s strangest mysteries. Around it swirls dust so...

Sierra Leone Telegraph: 29 November 2025: A new report from the World Health Organization (WHO) underscores the remarkable progress made in the fight...