Satellites provide a vital service.
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.
Our research has, for the first time, used satellite imagery to show the effects of predators on vegetation at a vast scale.
Two giant radio galaxies have been discovered with South Africa’s powerful MeerKAT telescope, located in the Karoo region, a semi-arid area in the south west of the country.
Mangroves play a crucial role in the ecosystem thanks to the dizzying array of plants, animals and birds they feed, house and protect.
Water is essential to life as we know it and it seems completely normal to have water all around us.
The Sun is the most important source of energy for sustaining life on Earth, but it gives us a lot more than just light and heat.
Mass extinctions are times in Earth’s past when large proportions of life suddenly and catastrophically died.
The NewSpace industry has its sights set on space tourism, a growing market expected to be worth at least $3 billion by 2030.
When we consider the sun's influence on Earth and our climate, we tend to think about solar radiation.
What if one mission could study the gravitational ripples triggered by some of the most violent events in the universe — on the way to observing the least-known planets of our solar system?
Until the early 2000s, the only known planets were located in our own neighborhood, the Solar System.
Scientists have long known that certain ingredients are needed to support life, especially water and key organic chemicals like carbon.
The U.S. Space Force has a serious role to play in the modern world. Its stated mission is to train and equip personnel to defend U.S. interests in space.
Deep space missions to Mars will be much more physically and mentally demanding than the journeys we’ve made so far during 60 years of human space exploration.
A new mathematical application provides a more complete picture of our changing world by drawing on data from several kinds of sensors.
The hypothetical Planet Nine may not be a planet but rather a small black hole that might be detectable from the theoretical radiation emitted from its edge, so-called Hawking radiation.
As people in the UK were settling down to watch the late evening news on February 28, a fresh news story, quite literally, appeared in the night sky.
In recent years, satellites have become smaller, cheaper, and easier to make with commercial off the shelf parts.