In recent years, satellites have become smaller, cheaper, and easier to make with commercial off the shelf parts.
SPACE.com invites experts in space exploration, science & technology to provide insightful commentary and informed perspective on news, current events, innovations, big ideas and ongoing research. Expert Voices includes Op-Ed analysis and opinion as well as interesting observations from the field and space exploration efforts around the world.
History shows just how vulnerable space programmes, which require years of planning and development spanning several administrations, are.
NASA’s Perseverance rover successfully touched down on Mars Feb. 18, and has already begun beaming back images.
Nearly a century after dark matter was first proposed to explain the motion of galaxy clusters, physicists still have no idea what it’s made of.
Radio images of the sky have revealed hundreds of “baby” and supermassive black holes in distant galaxies, with the galaxies’ light bouncing around in unexpected ways.
As I write this, NASA's Perseverance Rover is hurtling toward Mars at a speed of more than 80,000 km/h and is set to land at the Red Planet on February 18.
This month has been a busy one for Mars exploration. Several countries sent missions to the red planet in June last year, taking advantage of a launch window.
Looking at its achievements over the past decade, nobody would doubt China is aiming to win the new space race, this one aimed at Mars.
A weird, super-powerful particle that's not truly a particle could have dominated the universe when it was just a second old, releasing a flood of ripples that permeated all of space-time.
Three new spacecraft are due to arrive at Mars this month, ending their seven-month journey through space.
What we’re looking for is evidence of past life, either direct chemical or organic signs in the composition and the chemistry of rocks, or textural evidence in the rock record.