Eavesdropping on the shudders and groans echoing deep inside alien worlds like Mars and the moon is revealing what lies far beneath their surfaces and could teach us more about how our own planet formed. On Earth, we can feel and see the often terrifying results of the tectonic plates shifting beneath our feet. As … Read more
by Caleb Davies To be a meteorite hunter means to search for the unutterably rare. On any given patch of land the size of Wales, an average of two olive-sized space rocks will fall in a year. Scientists and collectors are forced to go to extreme lengths to find them, searching in deserts and Antarctica where … Read more
Jonathan O’Callaghan In our continuing search for other life in the universe, one place has always looked promising – Mars. It is a rocky planet like Earth, orbiting the same star, and at a distance where water could have been present on the planet. Today, however, Mars is a barren wasteland. Any water it once … Read more
by Jonathan O’Callaghan If humans are to travel to distant destinations in space like the moon or Mars, they’ll need ways to live for long periods of time. And one of the key challenges of that includes how to have safe food and water to eat and drink when far from Earth. On the International Space … Read more
by Jonathan O’Callaghan Human spaceflight is dangerous, but worth the risk, according to Jan Wörner, the Director General of the European Space Agency (ESA). But even so, there are limits – like Mars. Robots, as proxies for human exploration, can take on dangerous missions by travelling to places astronauts are not yet capable of reaching, but … Read more
by Kelly Oakes Developing new propellants for satellites to replace toxic hydrazine would make launching and handling satellites safer but it also requires disrupting current systems, according to researchers. As the number of satellites soars, so will the amount of fuel we use to launch them. And getting into orbit is only half of the equation. … Read more