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 the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Scientists have discovered a potentially record-breaking fast planetary system, with a star and possible exoplanet moving at ...

How does a compass work in space? From the moon to Venus, here’s how a compass would work beyond Earth’s magnetic field.

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in ...

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.

A fast-moving star, possibly with an exoplanet, has been detected in the Milky Way, challenging current astrophysical models.