# space

a planet four times the size of its star shows how solar systems die
# space

a planet four times the size of its star shows how solar systems die

When some stars die, they take their entire systems with them. Others appear to give their planets a fighting chance.

astronomers find more dark matter free galaxies
# space

astronomers find more dark matter free galaxies

A new study sees evidence of more than a dozen galaxies that seem to lack dark matter and raises big questions about our ideas of galaxy formation.

so, what shape is the universe?
# space

so, what shape is the universe?

Why do popular science news keep offering new theories about the basic shape of our universe every week?

why planet nine is very unlikely to be a tiny black hole
# space

why planet nine is very unlikely to be a tiny black hole

According to sensationalistic headlines, the hypothetical ninth planet in our solar system is a tennis ball sized black hole. According to physics, it's far more likely to be literally anything else.

why the myth of nasa’s $165 million space pen just won’t die
# space

why the myth of nasa’s $165 million space pen just won’t die

The long-debunked story of NASA buying ridiculously expensive pens is just too gratifying for some people to pass up.

wowt explains: what is a dyson sphere?
# space

wowt explains: what is a dyson sphere?

The massive structure designed to capture the energy of an entire star envisioned by Freeman Dyson is popular in science fiction. But can we build it? And have alien civilizations tried a similar idea?

wowt explains: what is a black hole?
# space

wowt explains: what is a black hole?

We know that black holes are bizarre. We know they exist. We even have a picture of one. But what exactly are they?

did we really discover the day that venus turned to hell?
# space

did we really discover the day that venus turned to hell?

A new study shows just how little we know about why Venus became the hothouse world it is today.

the real reason why moon landing conspiracies endure
# space

the real reason why moon landing conspiracies endure

The idea that the lunar landing was faked has by now been debunked by just about everyone and their twice removed sister-in-law's grandma. So how and why is it still around?

it’s no teegarden party: the catch about the latest exoplanetary discovery
# space

it’s no teegarden party: the catch about the latest exoplanetary discovery

By now, you're probably used to hearing about potentially habitable worlds orbiting other stars. But that "potentially habitable" part may come with more caveats than you might think.

older articles