How can a comet from another star system have a tail pointing toward the Sun? This counter-intuitive phenomenon, observed for ...

Bereaved people and others Thursday gathered to remember the victims of a train derailment accident that occurred in Shonai, Yamagata Prefecture, northeastern Japan, 20 years ago. Yoichi Kise, ...

From polar pack ice to Arctic archipelagos, these winning images reveal how life is exquisitely engineered to survive at the ...

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies and astronauts. This debris includes large pieces, such as spent rocket ...

In the world of high-stakes sports, where every second and every ounce matters, you'd think top athletes would strip down to ...

Sea foams are caused by algal blooms and can represent large areas in coastal waters during ocean fronts associated with ...