The United Nations Climate Change Conference (COP26) has kicked off in the Scottish city of Glasgow, welcoming world leaders, experts and activists to look for ways to slow down climate change.
When it comes to their environmental impacts, not all rocket fuels are equal. Which are the industry's 'dirty secrets' and which technologies might satisfy even Greta Thunberg?
Two British start-ups claim their biofuel-based rockets produce much less carbon emissions and dangerous soot particles than their fossil fuel-powered counterparts.
Satellite megaconstellations are becoming a serious problem to 21st century astronomy akin to urban light pollution, and speedy action is needed to mitigate, a new report finds.
Plumes of hot gas and charged particles emitted by black holes drift across distances of hundreds of thousands of light years.
The European Space Agency nearly lost its gamma-ray space telescope Integral last month when a charged particle disabled one of the reaction wheels that keep its solar arrays pointed at the sun.
Scientists have imaged the whole globe of Uranus in the infrared part of the light spectrum for the first time, hoping to shed light on the planet's mysterious auroras and weird magnetic field
High-resolution satellite images reveal lava rivers spilling from the Cumbre Vieja volcano on La Palma as the devastating eruption shows no signs of stopping.
The first-ever discovery of a planet orbiting a dead star suggests that some worlds in our solar system have a chance to survive the sun's violent demise some five billion years from now.
The heir to the British throne thinks the world's brightest minds should focus on saving Earth rather than colonizing the solar system.
A precious cargo has arrived at Kennedy Space Center in Florida from Europe this week: The Europe-built service module that in 2023 will power the first human mission to the moon since Apollo.
Scientists have used a new method to analyse the composition of ancient grains in meteorites with unprecedented accuracy to shed light on their mysterious origin.
Satellites have observed the intensifying eruption on the Spain-owned island of La Palma over the weekend as new streams of lava spilled out of the Cumbre Vieja volcano after its crater collapsed.
This year's Nobel Prize in Physics laureate Klaus Hasselmann helped to shape a ground-breaking Earth-observation space mission that paved the way for the modern study of our planet's environment.
A presumed discovery of a gamma-ray burst from the oldest known galaxy in the universe was in fact a reflection of sunlight from a spent rocket stage in Earth's orbit, a new paper found.
A Russian actress and director arrived at the International Space Station Tuesday (Oct. 5) on a Soyuz spacecraft to shoot a movie in orbit.
The European and Japanese BepiColombo spacecraft made the closest ever measurements of the magnetic field of Mercury above the planet's southern hemisphere as it zoomed past.
New images of the volcanic eruption on the Spanish island of La Palma taken from space show the unstoppable river of lava flowing into the Atlantic Ocean.
The Mercury-bound probe BepiColombo will take its first look at its target planet tonight from an incredibly close distance of only 124 miles (200 kilometers).
A recent discovery of giant ammonia-rich hailstones, dubbed mushballs, on Jupiter might explain why Uranus and Neptune seem to have no ammonia in their atmospheres.
SpaceX's Dragon cargo spacecraft returned to Earth tonight (Sept. 30), packed full of science experiments after one month at the International Space Station.
Cosmonauts at the International Space Station relocated the Russian Soyuz MS-18 crew capsule on Tuesday to make space for the arrival of Soyuz MS-19 next week with a Russian film crew aboard.
Blue Origin will launch its second crewed suborbital flight on Tuesday, Oct. 12, carrying Planet Labs co-founder Chris Boshuizen and Dassault Systèmes healthcare executive Glen de Vries.
Space tourism vehicles are probably the only technology with the potential to kill humans that doesn't need to undergo independent safety certification. Is that a good idea?