Mars

EghtesadOnline: A Mars lander left its mothership on Sunday after a seven-month journey from Earth and headed toward the red planet's surface to test technologies for Europe's planned first Mars rover, which will search for signs of past and present life.

EghtesadOnline: President Trump's fiscal 2020 budget request includes $21.02 billion for NASA, funding the agency's ongoing efforts to develop commercial spacecraft and infrastructure in low-Earth orbit and to press ahead with construction and launch of the world's most powerful rocket and the Orion crew ships that will carry astronauts back to the moon.

EghtesadOnline: In the race to land humans on Mars, NASA is blowing the cobwebs off a technology it shelved in the 1970s — nuclear-powered rockets.

EghtesadOnline: China has showed off its first images of a rover it plans to sent to Mars in mid-2020, which is designed to explore the planet surface for three months, state media said, the latest aim of China's ambitious space program.