Back when Henk Hoekstra started his PhD, atmosphere turbulence and optical imperfections prevented us from accurately observing dark matter. He tells us why Euclid is a game changer.
The Netflix series ‘3 Body Problem’ is based on Liu Cixin’s scifi novel that follows what happens to the alien residents of a planet that orbits two stars.
When astronomers focused on the galaxy NGC 4383, they didn’t expect the data to be so spectacular. This is the first detailed map of gas flowing from this galaxy as stars burst within.
Some ancient texts record what were likely dying stars, faintly visible from Earth. If close enough, these events can disturb telescopes and even damage the ozone layer.
Eclipses have inspired myths, predictions and scientific discoveries. The total solar eclipse occurring on April 8 provides a once-in-a-lifetime opportunity to engage with science and the cosmos.
With the help of a magnifying glass 4 million lightyears wide, astronomers may have solved the riddle of what burned away the hydrogen fog that pervaded the early universe.