Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the ...

Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar ...

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

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

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

The meteor IM1 first caught Loeb’s attention through an obscure NASA fireball database under the code “CNEOS 2014-01-08.” ...

What is the Big Crunch theory? This theory is highly debated, but could be what happens when you hit the rewind button of the ...

Dr. Avi Loeb, the Frank B. Baird Jr. Professor of Science at Harvard University, is one of the world’s leading experts on black holes, spacetime structures, and the search for extraterrestrial life.

Dr. Avi Loeb, the Frank B. Baird Jr. Professor of Science at Harvard University, is one of the world’s leading experts on black holes, spacetime structures, and the search for extraterrestrial life.

Avi Loeb believes AI could save humanity—but first we have to stop feeding it junk food The Harvard astrophysicist says AI could future-proof human civilization, but not without getting the ...