A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

These are known as hypervelocity stars, with some moving faster than the escape velocity of the Milky Way of around 600 ...

“‘The participating scientists went rogue’ and changed everything ... stretching the orbit so that eventually the planet is dragged closer to its host star. Kepler worked well for ...

Was this a rogue planet that escaped into the void, or an object with an orbit so eccentric that it travels to the furthest reaches of the Solar System and takes billions of years to complete its ...

Was this a rogue planet that escaped into the void, or an object with an orbit so eccentric that it travels to the furthest reaches of the Solar System and takes billions of years to complete its ...

A massive American web of orbiting missile interceptors could in theory protect the U.S. from an all-out Russian nuclear ...

While finding massive metallic rocks in space is relatively easy, asteroids that are just ten metres in size are far harder ...

If it passed close to the Sun—near the orbit of Mars—it might have shifted ... The galaxy is teeming with rogue planets and star clusters, providing ample opportunities for our Solar System ...

One hypothesis suggests that a rogue planet, with a mass between ... could be orbiting between 200 and 500 au. Such a planet, with an inclined orbit of around 30°, could explain the Kuiper ...