Australian researchers have shown that bees can distinguish nothing from various positive numbers. Nigel Cattlin / Alamy As a mathematical concept, the idea of zero is relatively new in human ...

The European Space Agency has published two concept images that show the hibernation pods and crew cabin that may be used as part of future long-term space missions involving human astronauts. The ...

It takes between three to six months for a probe to reach Mars from Earth. A new concept space train called Solar Express is challenging that time frame: it would, hypothetically, be able to transport ...