A giant conundrum has been found orbiting a teeny tiny red dwarf star just a fifth of the size of the Sun. Such small stars ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet formation around small stars.

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

More planets have returned to orbit in Tomorrowland at Magic Kingdom as Astro Orbiter is reconstructed. Astro Orbiter Astro ...

But a team of scientists has created a new way to answer once and for all whether aliens exist. Daniel Apai, an astrophysicist and astrobiologist at The University of Arizona, studies exoplanets – ...

"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first ...

Around 16-17 June, Mars will appear to pass close to Regulus, the bright star at the heart of the constellation Leo, the lion ...

On this day in 2014, two new planets orbiting a very old star in a nearby galaxy were reported in a study by an international team of ...

The Wrath of Khan was meant to be an extraordinary and revolutionary idea. Its ability to replicate Earth-like conditions on ...