What is the temperature in space? It's a far more complicated question than it seems. Because space is considered a vacuum, which means it's empty, it has no temperature. But the objects traveling ...

Earth isn’t the only place that’s heating up of late – the universe seems to be too. Astronomers at Ohio State University have taken the mean temperature of cosmic gas at different distances and ages, ...

There's still more testing in store for the new observatory. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's massive new space telescope ...