Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it ...

Jupiter is reaching its closest approach to Earth in 2026, blazing brighter than almost anything in the night sky and visible ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

At opposition, Earth lies directly between Jupiter and the Sun, so the planet is fully illuminated from our point off view ...

Solar system’s biggest planet will be close enough to reveal its largest moons through a pair of modest binoculars ...

The crackle of a campfire beneath a star-studded sky; the scent of cedar in old-growth forests; the thunder of a packed ...

On some Mars images, Olympus Mons does not look dramatic at first glance. It sits there quietly, a wide pale rise against ...

The new data confirm that TOI-561 b maintains a substantial atmosphere despite its extreme heat. Astronomers from the Carnegie Institution for Science in Washington, D.C., reported that TOI-561 b has ...

When snow shut down one of Earth’s most advanced telescopes high in Chile’s Atacama Desert, the surprise was not just that ...

If you’ve been seeing an unusually bright ‘star’ in the sky recently, it’s actually Jupiter, which will shine at its ...

A California-based start-up, Reflect Orbital, plans to launch a constellation of 4,000 satellites with giant reflective ...

The interstellar object 3I/ATLAS has exposed critical gaps in our planetary defence, acting as a 'warning shot' that ...