NASA is Searching for Earth 2.0, Here's How.

CoRoT-2 b is a hot Jupiter 696 light-years away whose thermal hotspot is shifted in the wrong direction. New VLT data ...

WASHINGTON — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national ...

Independence Day didn’t invent or perfect the summer movie, but it arguably understood it better than anything since.

WASHINGTON — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

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For the last decade, Loeb has been scanning the skies and seas for evidence of intelligent alien life. He began the quest in 2017 as scientists puzzled over an interstellar object soaring by Earth.