Marvel Studios' What If Season 2 Episode 1 frame-by-frame analysis! Head to and use code NEWROCKSTARS to save an additional ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Long before rockets and satellites reached space, the Crab Nebula stood out as a steady beacon of high-energy light. At its center sits a dense, rapidly spinning neutron star that turns every 33.

A nebula takes on the appearance of a rampaging lion in a new deep space vista captured by astrophotographer Ronald Brecher under a near-full moon from his home in Ontario, Canada, in October earlier ...

The speed of light has been one of science’s most trusted markers of stability. For more than a century, the idea that light moves through space at a constant speed has supported some of physics’ most ...

In this case, the α-parameter can only be used to provide an estimate of the PN visibility lifetime within the limiting magnitude of the survey. Roth et al. (2021) developed the so-called differential ...