SpaceX aims to start flight-testing key design components of its Mars-settling spaceship next year, company founder and CEO Elon Musk said.

We know that a good night's sleep is important for our health for all kinds of reasons, but there's a new benefit to add to the list: avoiding dehydration.

Is it us you're looking for?

Polish astronomers just discovered two new planets in our galaxy. That's cool news on its own, but these planets are different from most. Unlike almost all known planets, New Scientist reports, these two planets don't orbit a star.

Timing is everything.

Our one-stop summary.

Haunting.

Supersonic air travel is back. 15 years after the Concorde was grounded, everyone from aerospace companies to NASA to small startups is working to bring back ultrafast civilian aircraft. We take a look at the engineering challenges that make supersonic flight…

If astronomers' calculations are correct, the Solar System is right in the middle of a turbulent space event: a vast 'hurricane' of dark matter, blowing at an insane speed of 500 kilometres per second (310 mps).

After years of searching, a planet several times larger than Earth has been discovered orbiting Barnard’s star – the closest star to Earth after the Alpha Centauri system

We'll be witnessing history this week.

Every now and then, Earth's protective magnetic cage changes its stripes, sending explosive showers of charged particles spilling into the atmosphere.

When NASA's InSight lander touches down on Nov. 26, it has a few tactics to tell its engineers it made its journey successfully.

NASA decommissioned the Kepler space telescope last night (Nov. 15), beaming "goodnight" commands to the sun-orbiting observatory.

We often think of sleep at night as a restorative function: a vital quiet time that recharges and mends our bodies. And it is, but perhaps not quite the way we imagine.

NASA's InSight lander will arrive at the Red Planet on the afternoon of Nov. 26, hopefully amid a flurry of celebratory whoops akin to those elicited by the successful touchdown of the Curiosity Mars rover on Aug. 5, 2012.

For the first time, brain tissue grown in a lab has spontaneously exhibited electrical activity, and it looks startlingly similar to human brain activity. More specifically, it resembles the brain activity of premature babies.

When it comes to measuring ice loss at the poles, and predicting what might happen next, scientists need as much accurate data as they can get – and a new study suggests there's a big source of geothermal heat underneath East Antarctica that we h

Welcome to the freaking future.

Gathering detailed information on exoplanets is extremely difficult. The light from their host star overwhelms the light from the exoplanet, making it difficult for telescopes to see them.