News
- Space
Half the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
- Health & Medicine
Is the coronavirus mutating? Yes. But here’s why you don’t need to panic
Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.
- Physics
A star shredded by a black hole may have spit out an extremely energetic neutrino
A star’s fatal encounter with a black hole might have produced a neutrino with oomph.
