Has the sun already passed solar maximum?
Solar Cycle 25 has surpassed its predecessor — but is the end in sight?
When’s the next ‘parade of planets’? The past, present and future of planetary alignments
Just how rare are planetary alignments?
Unknown physics may help dark energy act as ‘antigravity’ throughout the universe
Dark energy may have a completely unknown aspect of physics acting as an accomplice in its efforts to defy gravity, suppressing the growth of large-scale structures like galaxy superclusters.
Hold onto your hats! Is the ‘blaze star’ T Corona Borealis about to go boom?
The nova is ignited when a "vampirific" white dwarf steals too much matter from a companion star.
What will happen during the partial solar eclipse of March 2025?
Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.
Strange sphere-studded rock on Mars found by NASA’s Perseverance rover
NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.
Strange red nova deaths of shrouded stars investigated by ‘stellar Sherlocks’
A group of stellar Sherlocks have solved the mystery of red transient objects that appear and fade in the sky, linking them to the total explosive death of stars.
James Webb Space Telescope captures 1st images of Neptune’s elusive auroras
Using the James Webb Space Telescope, astronomers have captured direct images of Neptune's elusive auroras for the first time.
Marvel reveals colossal ‘ Avengers: Doomsday’ cast in surprise livestream as production begins, classic X-men lead the charge (video)
Earth's Mightiest Heroes are assembling again, as Avengers: Doomsday is finally in production and has unveiled its complete roster.
Send in the clones: the 18 most famous clones from sci-fi movies and TV shows
Robert Pattinson's Mickey is the latest in a long line of duplicates and doppelgangers.