Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

Scientists discovered 128 new moons orbiting Saturn, bringing the planet’s total to 274. Many of these moons are “only a few ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

Among these celestial visitors — the interstellar object 3I/ATLAS, along with C/2025 A6 (Lemmon) and C/2025 R2 (SWAN) — not ...

Throughout 2025, there have been several chances to spot the Northern Lights across Canada. The best of all these ...