This large comet was active long before we thought, show study
A new study shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought.
This means that the ice within...
Scientists find closest pair of supermassive black holes to Earth ever observed
Astronomers have revealed the closest pair of supermassive black holes to Earth ever observed.
The two objects also have a much smaller separation than any...
Sun is a surprising likely source of the Earth’s water, shows study
Curtin University researchers have helped unravel the enduring mystery of the origins of the Earth’s water, finding the Sun to be a surprising likely...
How did the Earth and moon form?
The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun.
It grew larger thanks to...
Fragile orbits limit late arrival of water on this seven exoplanets system
Seven Earth-sized planets orbit the star TRAPPIST-1 in near-perfect harmony.
Scientists have used that harmony to determine how much physical abuse the planets could have...
Astronomers discover more than 300 possible new exoplanets
Scientists have identified 366 new exoplanets, thanks in large part to an algorithm developed by a UCLA postdoctoral scholar.
Among their most noteworthy findings is...
This ultrahot Jupiter has the shortest orbit of any known gas giant
One year on this giant, blistering hot planet is just 16 hours long.
The hunt for planets beyond our solar system has turned up more...
One in five galaxies in the early universe could still be hidden behind cosmic...
Astronomers at the University of Copenhagen’s Cosmic Dawn Center have discovered two previously invisible galaxies 29 billion light-years away.
Their discovery suggests that up...
Scientists discover the fastest spinning white dwarf up to now
A white dwarf star that completes a full rotation once every 25 seconds is the fastest spinning confirmed white dwarf, according to a team...
Neutron star mergers are a primary source of heavy metals, shows study
Researchers at MIT and the University of New Hampshire embarked on a novel scientific endeavor to quantify and analyze sources of heavy metals in...