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...
Specialized materials could passively control the internal temperature of space habitats
Areas of space have wildly different temperatures depending on whether they are directly in sunlight or not.
For example, temperatures on the Moon can range...
New study reveals Mars rocks that hold clues to ancient water and life
Rocks collected on Mars by NASA’s Perseverance rover could hold vital clues about the planet’s watery past and even the possibility of ancient life.
However,...
Scientists discover vast underground water on Mars
In an exciting discovery, scientists have found evidence of a massive underground reservoir of water on Mars.
This reservoir is so large that it could...
Mars rover finds element that’s essential to life
NASA’s one-ton rover, which for the past 12 years has been searching for the building blocks of life on Mars, has discovered something never...
Is our universe expanding as we thought? New study reveals the answer
For years, astronomers have debated how fast our universe is expanding—a key question that helps us understand the history and future of the cosmos.
This...
NASA tracks a black hole’s snack time
Scientists have made a major discovery about how and when a supermassive black hole consumes material, thanks to data from NASA’s Chandra X-ray Observatory,...