NASA revises Artemis lunar program to add new missions, aiming for a Moon landing by 2028 and faster launch cadence to regain crewed spaceflight momentum.

The U.S. and Israel were striking Iran on Saturday morning, with Iranian media reporting explosions across the capital Tehran ...

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Explosions were heard in Tehran, following weeks of military buildup and warning rhetoric from President Donald Trump over ...

The U.S. and Israel initiated a war against Iran on Feb. 28. The Trump administration has argued the strikes intend to ...

Updated at 1:05 p.m. PT: Supreme Leader Ayatollah Ali Khamenei was killed in an Israeli strike as part of its attack on Iran ...

Trump also announced that Iran’s Supreme Leader Ali Khamenei was killed in the strikes, but there’s been no confirmation from ...

The goal: Trump announced what he called "major combat operations" that are "massive and ongoing" in Iran in a video posted ...

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The US president has called for regime change following a massive US and Israeli attack, which prompted an unprecedented wave of retaliatory strikes by Iran.

As Tehran retaliates by firing missiles at U.S. bases in several countries across the region, officials, aid groups and world leaders fear the confrontation could escalate.

President Trump and his allies offered at least two separate objectives Sunday for the assault on Iran, muddying U.S. intentions for ending a conflict that has killed three American servicemembers.