Scientists weighed newborn planets for the first time, revealing puffy worlds that will shrink into super-Earths and ...

Compared to our 4.5-billion-year-old sun, ​​the 20-million-year-old V1298 Tau is a stellar baby, making it ideal for ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting ...

NASA’s IXPE captures the first X-ray polarization data from a white dwarf system, detailing observations of EX Hydrae and ...

In the Solar System, there’s only one other gas giant: Saturn, currently visible to the west in the early evening. Leaving ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Earth exoplanets orbiting M-dwarf stars, identifying specific candidates that may have retained detectable atmospheres.

Astronomers using the Subaru Telescope and W.M. Keck Observatory on Mauna Kea have discovered a massive planet and a brown ...