Avi Loeb, an Israeli-American theoretical physicist known for talking about aliens, now thinks that the interstellar comet spotted in the solar system is an artificial object sent by an advanced alien ...

The day before my thesis examination, my friend and radio astronomer Joe Callingham showed me an image we'd been awaiting for ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

The world is safe, the child is alive, and the Fantastic Four stands together again. In the final scene before the credits, ...

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another cautionary tale of pursuing big science amid shrinking budgets ...

Amid simmering anxiety about the future of federally funded science, the U.S. government has quietly withdrawn support for cosmology’s next premier project, an experiment that would have given us the ...

Astronomers have just revealed a massive exoplanet anywhere from three to ten times the size of Jupiter, lurking within the ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

Astronomers have confirmed the existence of a companion star in a tight orbit around Betelgeuse, resolving a long-standing ...

Astronomers may have caught a still-forming planet in action, carving out an intricate pattern in the gas and dust that ...

This is the earliest glimpse we’ve ever had of a planetary system being born, a peek into what our Solar System might have ...