While the U.S. Space Force, and its previous operator the U.S. Air Force, have been tightlipped about what the space plane ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

Each planet's orbit results from the balance between ... explores other forces that shape our solar system. Gravity certainly describes the motion of planetary mass bodies, but there are other ...

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 ...