Missing planet explains our solar system’s structure

Missing planet explains our solar system’s structure

The Solar System once had five giant gaseous planets rather than the four it has today. That's the conclusion from a computer simulation of the Solar System's evolution, which suggests the fifth giant was hurled into interstellar space some 4 billion years…

Sundiving comet

Sundiving comet

A comet is diving into the sun today. Discovered on Sept. 29th by a group of four independent comet hunters (M. Kusiak, S. Liwo, B. Zhou and Z. Xu), the icy visitor from the outer solar system is evaporating furiously as it approaches the hot star. SOHO (the Solar and

A comet diving into the Sun

A comet diving into the Sun

A comet is diving into the sun today. Just discovered by comet hunters Michal Kusiak of Poland and Sergei Schmalz of Germany, the icy visitor from the outer solar system is expected to brighten to first magnitude before it disintegrates on Sept. 14th.

Sky watchers be ready for meteor shower from Halley’s Comet on May 6th

Sky watchers be ready for meteor shower from Halley’s Comet on May 6th

Get up in the wee hours of the morning May 6th and head out into the country, far from the city lights so you can observe eta Aquarid meteor shower. The eta Aquarids are best viewed from the southern hemisphere, but there's something special about them no matter…