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Ghostly galaxy may be missing dark matter

Image copyright NASA/ESA/P. van Dokkum Image caption Hubble image: The galaxy is so faint that other spiral galaxies can been seen through it An unusually transparent galaxy about the size of the Milky Way is prompting new questions for astrophysicists. The object, with the catchy moniker of NGC1052-DF2, appears to contain no dark matter. If […]

Tech trials to find Antarctica’s ‘missing’ iron meteorites

Media captionGeoff Evatt: The aim is to develop a robust system that will work in the Antarctic The project to find Antarctica’s “missing meteorites” is making excellent progress, say scientists. A group led from Manchester University is developing detection equipment it believes will discover a bounty of iron space objects buried in the polar ice. […]

Stephen Hawking’s final interview: A beautiful Universe

Image copyright Pallab Ghosh Last October I invited Prof Stephen Hawking to comment on the detection of gravitational waves from the collision of two neutron stars. It turned out to be his final broadcast interview. The collision was a really big story for many reasons, not least because within minutes of the detection the world’s […]

Stephen Hawking’s final interview: A beautiful Universe

Image copyright Pallab Ghosh Last October I invited Prof Stephen Hawking to comment on the detection of gravitational waves from the collision of two neutron stars. It turned out to be his final broadcast interview. The collision was a really big story for many reasons, not least because within minutes of the detection the world’s […]

European Space Agency teams with ICEYE Finnish start-up

Image copyright ICEYE Image caption Artwork: The ICEYE satellites aim to see features on the ground as small as 3m across The European Space Agency is to work with Finnish start-up ICEYE on ways to exploit its novel radar satellites. ICEYE-X1 was launched in January – the first of multiple spacecraft that will go up […]

How effective are earthquake early warning systems?

Image caption MyShake: An app which allows users’ phones to act as seismometers Earthquake early warning detection is more effective for minor quakes than major ones. This is according to a new study from the United States Geological Survey. Seismologists modelled ground shaking along California’s San Andreas Fault, where an earthquake of magnitude 6.5 or […]

Mount Etna is ‘sliding towards the sea’

Mount Etna is ‘sliding towards the sea’

Plastic patch in Pacific Ocean growing rapidly, study shows

Image copyright The Ocean Cleanup Image caption Discarded fishing nets were part of the haul A collection of plastic afloat in the Pacific Ocean is growing rapidly, according to a new scientific estimate. Predictions suggest a build-up of about 80,000 tonnes of plastic in the “Great Pacific Garbage Patch” between California and Hawaii. This figure […]

Curiosity rover: 2,000 days on Mars

Nasa’s Curiosity rover, also known as the Mars Science Laboratory (MSL), is celebrating 2,000 martian days (sols) investigating Gale Crater on the Red Planet. In that time, the robot has made some remarkable observations. Here are just a few of them, chosen by the Curiosity science team. Image copyright NASA/JPL-Caltech/MSSS Looking back: In the history […]

‘Radical change’ needed on countryside

Image copyright Getty Images The UK government is failing rural communities and the natural environment, a report says. The Lords Select Committee document says there should be radical change in how the countryside is looked after. It recommends stripping the environment department Defra of its power to regulate on rural affairs, and reforming the Countryside […]