For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

A stronomers have found more evidence that there is a massive ripple traveling through the Milky Way. They have found ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

In the 30 years since the discovery of 51 Pegasi b, more than 6,000 planets outside our Solar System have been catalogued.

A colossal wave is rolling through the Milky Way’s stars, mapped by ESA’s Gaia telescope and reshaping our understanding of ...

A controversial prediction about black holes and the expansion force of the universe could explain a cosmology mystery ...

Three scientists won the Nobel Prize in physics Tuesday for research on the strange behavior of subatomic particles called quantum tunneling that enables the ultra-sensitive measurements achieved by ...

SIMP-0136 is a strange celestial object somewhere between a planet and a star. Using the new space telescope, researchers have now spotted a curious phenomenon on this so-called brown dwarf. Dublin ...

And they grapple with challenges—anticipated or not—that are presented by the scale of the problem they are trying to solve.