Expert Voices

Surgical emergencies are in fact one of the main challenges when it comes to human space travel.

When room and supplies are limited — like during space travel — you need to optimize for a different set of goals to meet the needs of the people you are trying to feed.

Neowise is the first bright comet to be visible with the naked eye from the northern hemisphere since the mid-1990s.

The concept for the Hope mission arose from a quest to fundamentally redirect a nation's trajectory.

In the year that is 2020, #WhyPersevere? Janet Ivey, President, of Explore Mars and creator of Janet's Planet, shares her reasons why Perseverance is exactly what we need now more than ever.

Physicists have discovered a new, exotic kind of tetraquark, made up of four charm quarks. They say it's a major breakthrough.

Gravity can be a real downer when you are trying to grow organs.

How would you make a hypernova?

Mathematical physicist proposed making 'black hole bombs.'

There's a reason — actually, several — why Sir Isaac Newton is often considered the No. 1 scientist of all time.

Blood clots are life-threatening, as they can cause heart attacks or strokes and lead to huge health related costs on Earth.

There are a lot of reasons that a faster spaceship is a better one, and nuclear-powered rockets are a way to do this.

Since the launch of Sputnik 1 in 1957, the lower orbit around the Earth has become an increasingly congested environment.

Atmospheric scientists sampled the most pristine air on Earth, just above the Southern Ocean. They found some surprises.

Otherwise, they'd be ferociously unstable.

The space community has work to do when it comes to inclusion.

Young people who are “hooked” on watching fantasy or reading science fiction may be on to something.

A physicist proposes that the moon is a great place to build a particle collider and conduct high-energy physics experiments.

Scientists just found the universe's missing baryon matter hiding in the cosmos.