A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

July’s Mercury retrograde will be in the sign of Leo, but depending on your zodiac sign, we all have something a little ...

For the first time in history, we now have real, high-resolution images of Neptune that go beyond artist impressions and telescope visuals. Captured by advanced space telescopes and spacecraft, these ...

Most stars in the Universe exist in binary or multiple star systems, where the presence of close-in companion stars in such systems can adversely influence the formation and orbital stability of ...

Black holes continue to grip our imagination. These cosmic powerhouses twist space and time so intensely that even light ...

The orbit of TIC241249530b is consistent with a history of eccentricity oscillations and a future tidal circularization trajectory. Our analysis of the mass and eccentricity distributions of the ...

When Mercury trines Pluto retrograde on May 27, you could have an unmistakable sense of “I can’t unsee this,” where you ...

There is an important distinction between the style we see in Trump’s world — his close aides, his social circle, the people ...

KENNEDY SPACE CENTER — As SpaceX launched the four-person crew of the Fram2 mission on Monday night, it was a takeoff for the history books as they will be the first humans to ever orbit Earth ...

The four novice space explorers will climb into SpaceX’s Dragon capsule named Resilience and become the first humans to do a 90-degree circularized orbit, or polar orbit. He said this will be a ...

The Mercury and Rahu Conjunction is a potent astrological alignment that blends the power of intellect with the mystique of ...

Orbital Parameters and Elements The terms orbital period, periapsis, and apoapsis were introduced in Chapter 3. The direction a spacecraft or other body travels in orbit can be direct, or prograde, in ...