Russia isn’t likely to put nuclear missiles in space, but their reported anti-satellite weapon is just as alarming. An expert on nuclear strategy explains.

The observation could fill in gaps in our knowledge about planet formation.

Spaceplanes seemed out of favour when the shuttle was retired in 2011; they now seem to be making a comeback.

While NASA rovers on the surface of Mars look for hints of life, researchers back on Earth are studying ‘echoes of life’ from ancient basins – hoping that the two sites might be similar.

Projects under NASA’s CLPS program will probe unexplored questions about the universe’s formation.

Orbital resonance is kind of like musical harmony, but systems that display it are far more rare than songs with harmonic melodies.

Among the missions being planned is a huge helicopter drone to explore Saturn’s moon Titan.

The US might be facing international competition to be first to return to the Moon.

Japan is one of several countries that weren’t part of the space race of the 1950s and 1960s looking toward the Moon. They’ve now become the 5th country to have landed on its surface.

You might hate winter, but at least you know what to expect every year. Other planets have wobbly axes that lead to wild, unpredictable seasons.