Ancient star duo from the edge of the Milky Way visits our stellar neighborhood
An international team of astronomers has made a remarkable discovery—a pair of stars that are about 10 billion years old and originated from the...
Meteor showers reveals where comets formed in the early solar system
A recent study by an international team of 45 researchers has uncovered new insights into the formation of comets in the early solar system...
Polaris, Earth’s north star, has a surprisingly spotted surface
Humanity’s been fortunate to have a star situated over Earth’s north pole. The star, known as Polaris, or the North Star, has guided many...
How a black hole in orbit around a planet could be a sign of...
In 1971, English mathematical physicist and Nobel-prize winner Roger Penrose proposed how energy could be extracted from a rotating black hole.
He argued that this...
There might be water on the surface of the metal asteroid Psyche
While a NASA probe heads for an asteroid known as Psyche, telescopes have been probing it to prepare for the arrival.
Data from the James...
The secrets hiding in the vacuum
Empty space is nothing but.
According to the weird rules of quantum mechanics, it’s actually filled with an endless amount of energy, known appropriately enough...
We know when a black hole will have its next feast
Black holes are notoriously destructive to stars near them. Astronomers often see flashes representing the death throes of stars collapsing past the event horizon,...
Why is the sun’s atmosphere so hot?
Scientists have long been puzzled by the sun’s corona, the outermost part of the sun’s atmosphere, which is incredibly hot—up to 200 times hotter...
Ancient rocks in Mars’ Jezero crater confirm habitability
According to NASA’s Perseverance rover, ancient rocks in Jezero Crater formed in the presence of water.
These sedimentary rocks are more than 3.5 billion years...
Scientists find new way to make Mars habitable
For years, scientists have wondered if Mars, with its cold and barren surface, could ever be made more hospitable to life.
A new study published...