NASA's Quesst mission seeks to validate a quiet supersonic technology, which could change FAA rules about flying faster than sound.

A Caltech experiment demonstrated space-based solar power’s potential, marking a key step in harnessing orbital renewable energy.

A team of college students built the SBUDNIC satellite using off-the-shelf components, including AA batteries.

A light-propelled spacecraft, infinitely recyclable plastic, and other inspiring projects earned trophies at this year's Science Fair.

When asteroid samples dropped to the Utah desert in 2023, it was go time for NASA's dedicated curation team.

Instead of rocket fuel, LightSail 2 used photons, demonstrating the viability of solar sailing for future space missions.

The videoconferencing app has an AI-powered agent built in. It can generate summaries, tell you who talked the most, and even gauge what the emotional tone of the meeting was.

The world is on an unsustainable course, the UN Secretary General told world leaders gathered for the UN general debate in New York on Tuesday – but growing impunity, inequality and chaos must make way for accountability, justice and opportunity and a future of solutions, not endless conflict. UN News app users click here for a look back at our live coverage.  

As Lebanon mourns the victims of a wave of Israeli airstrikes believed to have left hundreds dead, UN humanitarians warned on Tuesday against a return to the “dark days of 2006” when full-scale war broke out, calling for an urgent de-escalation and the protection of civilians.

Ongoing heavy fighting in Sudan has continued to kill and uproot the country’s people who global leaders should remember as they gather in New York on Tuesday, UN humanitarians have said.

Addressing world leaders at the UN General Assembly, King Abdullah II of Jordan warned that the United Nations is facing an unprecedented crisis, one that threatens its legitimacy and undermines global trust in its moral authority.

The world is locked in a “purgatory of polarity” with a growing number of governments and others feeling entitled to a “get out of jail free card”, Secretary-General António Guterres told the UN General Assembly, which opened its annual high-level meeting on Tuesday.

President Luiz Inacio Lula da Silva on Tuesday called for a major overhaul of the United Nations, including a critical examination of the Organization's nearly eight decades-old Charter, blaming the incapacity of the international community to engage in sincere negotiations for the failure to find solutions to the world's problems.

The President of Iran told world leaders at the UN General Assembly on Tuesday that the past year revealed to the world the true nature of the Israeli regime.

UN Secretary-General António Guterres called on Tuesday for finance, climate action and peace to achieve the Sustainable Development Goals (SDGs) by the 2030 deadline. 

South African President Cyril Ramaphosa on Tuesday told the UN General Assembly that his nation had benefited from a wave of international solidarity in the battle to end apartheid and usher in a new democratic era.

In a powerful address to the UN General Assembly, the 193-member body’s President, Philémon Yang said the annual high-level debate “remains one of the world’s most inclusive, represented, representative and authoritative platforms for global reflection of collective action”. 

The international community bears responsibility for its failure to stop the catastrophe in Gaza, the Amir of Qatar told world leaders at the UN General Assembly on Tuesday, emphasizing that after almost a year of conflict, it is no longer tenable to speak of Israel’s right to defend itself without being complicit in justifying their actions.

The UN Security Council is meeting for a high level briefing on the Ukraine war. The UN Secretary-General told foreign ministers and ambassadors that Russia's invasion of Ukraine since 2014, when Moscow took Crimea, was "a clear violation of the UN Charter.” We'll have full coverage as it happens, and UN News app users can follow here. 

United States President Joe Biden told leaders at the United Nations on Tuesday that with the world at a historical inflection point “our task, our test, is to make sure that the forces holding us together are stronger than those that are pulling us apart.” 

It might not be immediately obvious, but the Brompton G Line is the first major redesign of the iconic British folding bicycle in its nearly 50-year history. It’s even bigger than the launch of its first e-bike in 2019, literally and figuratively. The G Line is available as a standard bike with an internally geared Shimano Alfine 8-speed hub or as a 4-speed e-bike with derailleur. Both models feature bigger 20-inch wheels with fat grippy Schwalbe tires, hydraulic disc brakes from Tektro, wider handlebars, and a frame geometry that more closely resembles full-size bicycles. It all adds up to what should be a less twitchy ride that’s suitable for more varied terrain on a bike that’s easier to service over time given the selection of...

The US government says outlets like RT work closely with Russian intelligence, and platforms have removed or banned their content. But they’re still influential all around the world.