The Milky Way’s supermassive black hole might have formed 9 billion years ago
Large galaxies like ours are hosts to Supermassive Black Holes (SMBHs.)
They can be so massive that they resist comprehension, with some of them having...
Did dwarf planet Ceres form in the asteroid belt? New research offers clues
Ceres, the largest object in the asteroid belt between Mars and Jupiter, has long puzzled scientists about its origins.
With a diameter of almost 1,000...
Two supermassive black holes on a collision course with each other
Galaxy collisions are foundational events in the Universe. They happen when two systems mingle stars in a cosmic dance.
They also cause spectacular mergers of...
The true size of galaxies is much larger than we thought
Ask most people what a galaxy is made up of, and they’ll say it’s made of stars.
Our own galaxy, the Milky Way, hosts between...
Iron winds are blowing on WASP-76 b
Exoplanets have been discovered with a wide range of environmental conditions. WASP-76b is one of the most extreme with a dayside temperature of over...
Astronomers detect key clue in how planets form: A ‘wiggle’ in space”
A team of international astronomers has made an exciting discovery about how planets form, thanks to new observations from the Atacama Large Millimeter/submillimeter Array...
A monster asteroid crashed into Jupiter’s moon 4 billion years ago, rolling it over
Jupiter’s moon, Ganymede, is a fascinating celestial body.
Measuring 2,634 km (1,636 mi) in diameter, it is also the largest satellite in the Solar System...
There’s more water inside planets than we thought
When you walk across your lawn or down the street, you move on the surface of a surprisingly layered world. Some of those layers...
Did a passing star shape our solar system? New clues about strange orbits beyond...
Scientists may have found an explanation for the mysterious, eccentric orbits of objects far beyond Neptune in our solar system.
New research suggests that billions...
Why are we so fascinated with aliens
Robert Smith is convinced the aliens have won.
"The invasion has happened—it's all over," says the University of Alberta space historian who teaches a course...