Astronomers have discovered a rogue planet eating up 6 billion tons of gas and dust every second. That's the fastest rate ever recorded for any planet.
Operations on the International Space Station will come to an end in 2030. What's next? Plans are for privately owned, commercially operated space stations.
New observations of the asteroid that Hayabusa2 is scheduled to touch down on in 2031 have revealed it's smaller and spinning much faster than once thought.
NASA announced this week that it has confirmed a tally of 6,000 exoplanets, or worlds orbiting distant stars. The first exoplanets were discovered 30 years ago.
A massive eruption 74,000 years ago ejected volcanic material that affected the entire globe. But evidence shows people survived and adapted after the eruption.
Astronomers have spotted a mysterious gamma-ray burst that lasted for a day. This is by far the longest event we've seen of its kind. So what caused it?
An astronomer explores the possibility of life around white dwarfs, stars as small as Earth but far denser that may host habitable zones and planets with water.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.