Space contains objects far more extreme than our Sun, including neutron stars, pulsars, quasars, white dwarfs, and black holes. Each produces radically different environments shaped by intense gravity ...

The Trump administration is using the same racist playbook — including the Alien Enemies Act — to cleanse America of immigrants from non-white nations.

3i Atlas update: It is only the third known interstellar object observed passing through the solar system, offering rare insights into material from another star system.

Government officials have said little about Trump’s most recent social media post on the matter. The president cited “tremendous interest” in the files, whatever they might contain. Perhaps the most ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

This story was originally published by CalMatters. Sign up for their newsletters. Guest Commentary written by Evelyn Iritani Evelyn Iritani is a Pulitzer Prize-winning journalist and author The Trump ...

An intriguing religious issue is raised by an odd space-age colloquy in mid-February between Barack Obama and Donald Trump. Out of the blue, political podcaster Brian Tyler Cohen asked Obama, “Are ...

President Donald Trump criticized Barack Obama for his comments on aliens. Then, he said we should release more files. Joe Biden signed disclosure bill.

President Donald Trump criticized Barack Obama for his comments on aliens. Then, he said we should release more files. Joe Biden signed disclosure bill.