NASA's eight-rotor Dragonfly drone just finished a crucial test, which confirmed the spacecraft's design and will allow the ...

An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

The research is titled " Seismic Oscillations Excited by Giant Impacts in Directly-Imaged Giant Planets. " The lead author is ...

What's happening in the skies over North Texas this month? May holds some spectacular sights in the night and morning sky.

Did you know that the sun is up for more hours this month than in August? August is summertime, and May is still spring, so it may not seem quite right.

A Soviet satellite once bound for Venus could be about to crash back down to earth after more than half a century in space.

These types of exoplanets are some of the most common in our galaxy - but they've remained mysterious until now.

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, dubbed Planet Nine, could explain the unusual clustering ...

While it can be relatively easy to locate worlds that orbit close to their star, planets with wider paths can be difficult to ...

The mass that would become our home rolled through planetary debris – rocks floating in space – for more than 100 million years, adding more and more material, until it grew into a full-size planet.

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, according to a groundbreaking microlensing study using KMTNet telescopes.