A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

The discovery of all five nucleobases on Ryugu strengthens the idea that life’s molecular ingredients formed in space before ...

An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

For the first time, astronomers have distinguished between the morning and evening atmospheres of a single planet, revealing ...

JWST has revealed dramatic differences between the dawn and dusk regions of the scorching exoplanet WASP-121 b. Fierce winds appear to carry heat from the planet’s permanent dayside, making the ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...

They are the Women in Black. A pair of Government Accountability Office workers nicknamed the “Alien Girls” are touring military bases in an attempt to interview purported UFO witnesses, The Post has ...

As the Trump administration cracks down on illegal immigration, the Justice Department this week advanced cases against illegal aliens running criminal enterprises—including a gun trafficking scheme ...