Environment Space

why is the sea salty?

Sally Little Two-thirds of the Earth’s surface is covered in water, and 97% of that is salty seawater. Only 3% of our planet’s water is fresh, and 2% is trapped, frozen in ice caps, glaciers and soils. That leaves less than 1% as fresh, liquid water in rivers, lakes and streams –

First All-Woman Spacewalk Sparks Unprecedented Interest, NASA Says

    Astronauts Jessica Meir and Christa Koch made history Friday with the first all-female spacewalk, an excursion to repair a power unit on the International Space Station. The mission began at 1139 GMT and the women spent seven hours and 17 minutes working outside the ISS as it circ

Scientists find 'behemoth' black hole so big it could challenge our understanding of the universe's beginning

Scientists just found a very huge, very young supermassive black hole. As far as we know, it shouldn't be able to exist, and it just might re-write our understanding of the early universe.It is the most distant black hole ever seen by scientists. And it is so far away that we are seeing something

A dormant volcano: the black hole at the heart of our galaxy is more explosive than we thought

The supermassive black hole at the heart of our galaxy spat out an enormous flare of radiation 3.5 million years ago that would have been clearly visible from Earth. In new research that will soon be published in the Astrophysical Journal my colleagues and I found that the flare left traces in a tr

Jan Wörner (ESA): Humans Will Reach Mars but Will Not Stay

    The Director General of the European Space Agency (ESA), Jan Wörner, is convinced that humans will travel to Mars because curiosity is part of “our DNA,” although he hopes that it will not be the result of not taking enough care of the Earth. “I don’t

Bill Gates downplays relationship with Jeffrey Epstein

Microsoft co-founder Bill Gates is playing down his relationship with Jeffrey Epstein following a lengthy New York Times article published Saturday that details their many meetings. Gates publicly addressed his relationship with the late financier last month, days after The New Yorker reported tha

Cookie monster eats data from Sesame Street store

The official Sesame Street online store, along with thousands of other retailers, has been targeted by a credit card-stealing hack.Card details were collected by a piece of malicious software, dubbed JavaScript Cookie.The code was found in shopping cart software built by Volusion, which has 20,000 s

3 of the coolest things we’ve seen at GITEX Tech Week in Dubai

Flying motorbikes… cooking robots… it’s just another day in Dubai… GITEX Technology Week is back for its 39th edition and there’s plenty of exciting and innovative projects to see and explore. The exhibition is taking place at Dubai World Trade Centre until Thursday

Trio wins Nobel Medicine Prize for work on cells, oxygen

Two scientists from the United States and one from Britain won the 2019 Nobel Medicine Prize on Monday for finding how cells adapt to fluctuating oxygen levels, paving the way for new strategies to fight diseases such as anaemia and cancer.The Nobel award-giving body said US-born researchers Willi

What's the truth about the Yellowstone supervolcano doomsday theory?

If you spend any time on the internet, it seems every few months humanity is faced with a looming existential threat from the depths of space. Planet X/Nibiru, the rapture or a wayward comet are, according to conspiracy theorists, destined to destroy us.However, there is one particular conspiracy, t

A look at Instagram’s new messaging app Threads

Instagram has launched a new messaging app called Threads, which allows for faster image and video messaging with people on your close friends list.The “close friends” feature was introduced by Instagram last year, and it allows users to choose which of their followers can view their s

'We will be back soon': Hazza Al Mansouri returns to Earth after landmark space mission

It was an odyssey that ended with a capsule careering through space at 17,500km per hour and re-entering the Earth’s atmosphere in a ball of flame. There were a thousand things that could have gone wrong on Hazza Al Mansouri’s return home but, in the end, none of them did. The former f

Tech giants not keeping political ad promises, says privacy group

Facebook, Twitter and Alphabet's Google have failed to provide adequate transparency for global users around political advertising on their services, a privacy advocacy group has said.A report from London-based charity Privacy International said that many users around the world lacked meaningful i

US hospitals turn away patients as ransomware strikes

Three US hospitals have been forced to temporarily close their doors to "all but the most critical new patients" following a ransomware outbreak."A criminal is limiting our ability to use our computer systems in exchange for an as-yet unknown payment," said DCH Health System. DCH operates the thr

Emirati astronaut Hazza Al Mansouri's first mission back on Earth is talk to mum

Parents tend to worry when their children are far away from home, no matter whether they have jetted off on holiday or are aboard the International Space Station.Emirati astronaut Hazza Al Mansouri will have the eyes of a nation fixed on him when he comes back down to earth after eight days in spa

Day 5 in space: Hazza Al Mansouri shows off the robots at the ISS

On his fifth day at the International Space Station, Hazza Al Mansouri demonstrated the hands-free way astronauts can document their experiments. In a video live streamed from Kibo Station, the Japanese experiment module, to Kuba Station in Hiroshima, the UAE’s first astronaut showed Emirati

315 billion-tonne iceberg breaks off Antarctica

By Jonathan Amos The Amery Ice Shelf in Antarctica has just produced its biggest iceberg in more than 50 years. The calved block covers 1,636 sq km in area - a little smaller than Scotland's Isle of Skye - and is called D28. The scale of the berg means it will have to be monitored and tracked b

Greta Thunberg marches in Montreal for global climate protests

Teenage climate activist Greta Thunberg urged Canadian prime minister Justin Trudeau and other world leaders to do more for the environment as she led half a million protesters in Montreal on Friday as part of a global wave of “climate strikes”.The 16-year-old Swede met Trudeau in priv