Strong winds create Australian 'megablaze'

Gale-force winds in Australia merged two enormous fires into a megablaze spanning an area four times…

First sighting of hot gas sloshing in galaxy cluster

ESA’s XMM-Newton X-ray observatory has spied hot gas sloshing around within a galaxy cluster – a…

X-ray and optical view of the Perseus galaxy cluster

This image shows the Perseus galaxy cluster – one of the most massive known objects in…

Study puts the 'Carib' in 'Caribbean,' boosting credibility of Columbus' cannibal claims

Christopher Columbus’ accounts of the Caribbean include harrowing descriptions of fierce raiders who abducted women and…

Satellite constellations harvest energy for near-total global coverage

Think of it as a celestial parlor game: What is the minimum number of satellites needed…

Plants found to speak roundworm's language

Nematodes are tiny, ubiquitous roundworms that infect plant roots, causing more than $100 billion in crop…

Cracks in Arctic sea ice turn low clouds on and off

The prevailing view has been that more leads are associated with more low-level clouds during winter.…

Imposter or the real deal?

This Picture of the Week, taken by the NASA/ESA Hubble Space Telescope, shows a close-up view of a…

Watch live: Luca Parmitano talks with Italian Prime Minister Conte

Click here for original story, Watch live: Luca Parmitano talks with Italian Prime…

Replay: Luca Parmitano talks with Italian Prime Minister Conte

Click here for original story, Replay: Luca Parmitano talks with Italian Prime Minister…