NATO chief Rutte: Issue of whether Greenland stays with Denmark did not come up with Trump
NATO Secretary General Mark Rutte says the status of Greenland did not arise in his talks with U.S. President Donald Trump, as Trump stepped back from...
SpaceX will gradually lower 4,400 Starlink satellites this year to improve space safety.
SpaceX announced it will lower approximately 4,400 Starlink satellites from 550 km to 480 km above Earth throughout 2026 to reduce the risk of collisions in low Earth orbit. The move will also shorten the satellites’ end-of-life decay time by more than 80 percent.
The decision follows a December incident in which one Starlink satellite created minor debris and briefly cut communications with another spacecraft. Michael Nicholls, SpaceX vice-president of engineering, said the adjustment will also mitigate risks from uncoordinated maneuvers and launches by other operators.
Estimates from the European Space Agency indicate over 40,000 objects orbit below 2,000 km, with more than 9,300 owned by SpaceX. Objects over 1 cm in size, over 1.2 million pose potential collision hazards.
Professor Hugh Lewis of the University of Birmingham said SpaceX carried out 144,404 collision avoidance maneuvers between December 2024 and May 2025, a 200 percent increase from the previous period.
Nicholls emphasized the satellite adjustments are part of SpaceX’s ongoing efforts to make orbital operations safer as congestion in low Earth orbit increases.
Several locally-developed instant messaging applications were reportedly restored in Iran on Tuesday (20 January), partially easing communications restrictions imposed after recent unrest.
There was a common theme in speeches at the World Economic Forum on Tuesday (20 January). China’s Vice-Premier, He Lifeng, warned that "tariffs and trade wars have no winners," while France's Emmanuel Macron, labelled "endless accumulation of new tariffs" from the U.S. "fundamentally unacceptable."
Dozens of beaches along Australia's east coast, including in Sydney, closed on Tuesday (20 January) after four shark attacks in two days, as heavy rains left waters murky and more likely to attract the animals.
U.S. President Donald Trump said Washington would “work something out” with NATO allies on Tuesday, defending his approach to the alliance while renewing his push for U.S. control of Greenland amid rising tensions with Europe.
At the World Economic Forum’s “Defining Eurasia’s Economic Identity” panel on 20 January 2026, leaders from Azerbaijan, Armenia and Serbia discussed how the South Caucasus and wider Eurasian region can strengthen economic ties, peace and geopolitical stability amid shifting global influence.
New modelling suggests Mars shapes some of Earth’s long-term orbital rhythms, including shorter eccentricity cycles and a 2.4-million-year pattern that vanishes without its gravitational pull.
Ashley St. Clair, mother of one of Elon Musk’s children, has filed a lawsuit against Musk’s company xAI, alleging that its AI tool Grok generated explicit images of her, including one portraying her as underage.
Britain’s Royal Navy has successfully conducted the maiden flight of its first full-sized autonomous helicopter, designed to track submarines and carry out high-risk maritime missions amid rising tensions in the North Atlantic.
Dubai is set to launch commercial air taxi services by the end of the year, according to the emirate’s Roads and Transport Authority (RTA).
Astronomers have observed a white dwarf - a highly compact Earth-sized stellar ember - that is creating a colourful shockwave as it moves through space, leaving them searching for an explanation.
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