The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

What would you do if you discovered that aliens were real, and a lot closer than you’d imagined? Would you be awestruck or terrified? That’s the premise of Steven Spielberg’s Disclosure Day, and in ...

A federal judge on Monday said the U.S. government denied due process to the Venezuelan men it deported to a prison in El Salvador in March after President Trump invoked the Alien Enemies Act. The ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

Former Syrian President Bashar al-Assad is living in near-isolation in Russia, sidelined by President Vladimir Putin, one year after fleeing Syria following the collapse of his rule, according to a ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

As teens spend less time with their friends in person, scientists are beginning to uncover how isolation may affect the developing “social brain." Here’s what we know—and when parents should be ...

As the interstellar comet 3I/ATLAS prepares for its closest approach to Earth on Dec. 19, it's being monitored not just by space agencies but also the United Nations. The comet, which will come within ...

Elon Musk is no stranger to eyebrow-raising statements, but his latest comments have even long-time followers doing a double-take. The Tesla and SpaceX CEO recently claimed—perhaps half-jokingly, ...

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