The Sciences

Otherwise clement regions of the planet’s atmosphere are still too dry to sustain life as we know it

If they’re really aliens—and they’re benevolent—studying them could potentially transform the prospects for human knowledge and progress

Although mission controllers have yet to identify the source of the problem, confidence is high the iconic observatory will soon return to normal operations

A study makes the case for the new species based on its looks, genes and sounds

This revolutionary gene-editing system has taken science by storm.

If some UAP turn out to be extraterrestrial technology, they could be dropping sensors for a subsequent craft to tune into. What if ‘Oumuamua is such a craft?

But if so, it’s probably in the form of robotic probes—something both UFO enthusiasts and SETI scientists should be able to agree on

What’s the worst that could happen?

We could do it with the James Webb Space Telescope—but we'd also need to return to the unfiltered curiosity we had as teenagers

The nation’s first crewed liftoff in nearly five years is the third of 11 planned launches to complete the station’s construction

High-resolution images suggest the star spewed out so much dust that its brightness dropped by two thirds in 2020

Three physicists envision ways in which the quest for knowledge can last forever