Dark comets are comets that are so small, fast and/or chemically rare that they are difficult to see from Earth ...

NASA has unveiled a truly stellar gift: a new image of the star cluster NGC 602, located 200,000 light-years from Earth. This ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Willmore were expected to return home in February after their ...

Dark matter's mass limit increased by an order of magnitude, impacting our understanding of the universe's invisible ...

The Nancy Grace Roman Space Telescope team at NASA has completed the integration of the telescope and its instruments onto ...

NASA will resume its annual long-duration balloon operation in Antarctica by launching two flights in mid-December for ...

The James Webb Space Telescope was designed and built to study the early universe, and hopefully revolutionary our ...

In case dark matter didn't seem mysterious enough, a new study proposes that it could have arisen before the Big Bang.

Scientists with NASA are launching enormous balloons, the size of a football stadium, from the Antarctic ice. They're carrying experiments on dark matter and other mysteries.

Some of this stuff is known as mysterious dark matter, others are things like dark comets, which as their name suggests, are far more difficult to see from Earth than something like Tsuchinshan-Atlas.