The Peregrine and Nova-C landers are due to carry out valuable science at two diverse lunar locations.

An astronomer explains why space looks so dark despite containing 200 billion trillion stars.

Measuring the ages of planets and stars is tricky. An observational astrophysicist describes the subtle clues that provide good estimates for how old different space objects are.

Liftoff to the distant asteroid is scheduled for Oct. 5, 2023 – the beginning of a six-year journey to one of the most unusual objects in the solar system.

If an astronaut were to die on Mars, neither cremation nor burial would be good options.

The dwarf planets in our Solar System are cold, dark, far away and full of surprises.

The vastly differing environment would need a whole new approach to disposing of dead bodies.

Billions of galaxies are in the universe, with billions of stars in every galaxy. Could billions of planets be out there too?

Astronomers know a lot about what's in outer space – and think it's possible it never ends.

Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.