Of the three probes to reach Mars this month, only two will land. But they will add to our growing knowledge of the red planet, and the search for evidence of life.
NASA's Mars 2020 mission has arrived and landed the Perseverance Rover on the red planet. The rover's goal is to collect rock and soil samples to be brought back to Earth in the future.
The space laws designed to protect planets and moons from contamination.
SpaceX is due to test fly its Starship in the coming days.
Who cares what happens to bootprints on the Moon? All humans should. And thankfully the US Congress and president agree.
We've already sent probes to land on Mars. The challenge now is to get people there and bring them home again.
Over the coming decade, the arrival of constellations of small satellites will reshape the space industry. It constitutes a paradigm shift, particularly in terms of data gathering and processing.
Scientists are not convinced by the current evidence of UFOs. That doesn't mean that they don't exist. But have Americans' belief in UFOs gone from science to a new religion?
With a new president in the White House and NASA's chief administrator resigning we can expect changes to space policy.
Treaties are needed to govern water resource allocation in the Nile basin region. For this to happen it's critical to have accurate data on how much water there is.
After two decades as a home to astronauts, the International Space Station still has plenty to teach us about how humans can live away from Earth.
Two new studies significantly advance our understanding of water on the Moon and where to find it.
Radio telescopes are incredibly sensitive to phone network interference.
OSIRIS-REx will touch down on asteroid Bennu, collect a sample of the dust and begin its journey back to Earth, where scientists will study it, hoping to learn secrets of the solar system's origin.
Considering what we know about the key ingredients for life's formation on Earth, here are three explanations for how this process may have occurred on our sister planet.
News that Venus may harbor life has swept the globe. So how do we find out for sure? A planetary scientist explains what's next.
The Perseverance rover onboard Mars
2020 is our best bet for finding life on the red planet.
Extreme velocities and temperatures makes the return flight to Earth the most perilous part of a space mission.
Australian scientists have been working on NASA's latest Mars mission for years.
This summer, NASA's Mars Perseverance rover is taking the next giant leap in our search for signs of life beyond Earth.