Perhaps deep inside Earth are the remnants of the event that produced the Moon
Scientists have long agreed that the Moon formed when a protoplanet, called Theia, struck Earth in its infancy some 4.5 billion years ago. Theia’s remains may be…
For the first time ever, scientists observed a star explode in real time
Astronomers have watched a giant star blow up in a fiery supernova for the first time ever — and the spectacle was even more explosive than the…
Why are sunspots black?
The sun is a great ball of fiery, electrically charged gas. As the sun advances through its regular 11-year solar cycle, electromagnetic activity on the star’s surface gets more…
‘Cataclysmic’ – The quickest orbit between two stars has ever been seen, lasting 50 minutes
Can a pair of stars have a toxic relationship? Consider this as you get to know the newly discovered star system ZTF J1813+4251, a tight-knit stellar couple…
An “anti-universe” with reversed time, according to a study, may coexist with ours
According to a new study, an “anti-universe” where the time goes backward could exist alongside ours. The idea is based on the fact that nature includes fundamental…
The so far discovered “monster” black hole may be the nearest to Earth
Astronomers may have discovered a monster black hole that’s one of the closest to Earth known. With a mass equivalent to 12 Suns, the black hole was…
Lo’s collapsing atmosphere
The atmosphere of Jupiter’s volcanic moon Io periodically freezes and thaws as the planet blocks out heat from the Sun, according to new observations. Io is the…
Stephen Hawking was correct: black holes can never become smaller
A 50-year-old Stephen Hawking theorem has been observed in the natural world for the first time. Scientists from MIT, the California Institute of Technology, Cornell University, and…
Controversial claim from Nobel Prize winner: The universe keeps dying and being reborn
Roger Penrose, the 2020 Nobel Prize winner in physics, claims the universe goes through cycles of death and rebirth. There have been many Big Bangs, according to…
Astronomers have discovered what caused Betelgeuse’s dimming in 2019
Three years ago, amateur astronomers around the world watched as the usually bright light of Betelgeuse dimmed overnight and remained that way for several months. Now a group of…