Modern science wouldn’t exist without the online research repository known as arXiv. Three decades in, its creator still ...

This year, an astronomy course was offered at Tulane University for the first time since 2020. “Every year students contact ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon.

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...