I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

During his inaugural address, President Donald Trump said he wants 'American astronauts' on Mars. Where does a future Mars ...

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

PT5, a near-Earth object discovered last year, has captivated scientists with its potential lunar origins. Likely ejected ...

NASA has plans to launch the first deep space station for humans to live long-term. Is it a necessary step to Mars?

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

A tiny asteroid loitering in a near-Earth orbit for a few months last year may have an intriguing origin on our Moon.

Mars, Jupiter, Saturn, Venus, Uranus and Neptune will be visible in the sky at the same time, with tonight’s new moon ...

In fact, Mars is nearly twice the size of the Moon, measuring a little over 4,200 ... Moon to move the distance of its own diameter as it orbits Earth. In comparison, an inch-long garden snail ...

The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...