Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

Interstellar object headed towards Mars, but poses no threat to Earth, says head of planetary defence at the ESA.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

News about International Astronomical Union. Commentary and archival information about International Astronomical Union from The New York Times.

The International Astronomical Union voted Thursday encouraging space organizations across the globe to collaborate on a timekeeping standard for the moon, where one day lasts 29.5 Earth days.

Our peer-reviewed reports present the evidence-based consensus of committees of experts. Published proceedings record the presentations and discussions that take place at hundreds of conferences, ...