Space

Tiny, Ultracool Star Is Super Stormy

Tiny, Ultracool Star Is Super Stormy

Our Sun is a relatively quiet star that only occasionally releases solar flares or blasts of energetic particles that threaten satellites and power grids. You might think that smaller, cooler stars…
Dark Matter Dominates In Triangulum II

Dark Matter Dominates In Triangulum II

Dark matter is "dark" because no one knows what it is and a blanket term for whatever outnumbers particles of regular matter by more than a factor of 10 is necessary. Because it can't be detected,…
Bad Weather: 5000 MPH Winds On Planet HD 189733b

Bad Weather: 5000 MPH Winds On Planet HD 189733b

Research provides first ever weather map of a planet outside our solar system and it finds wind hurtling at speeds 20x faster than ever recorded on Earth - and seven times the speed of sound. The…
A 2 Meter Piece Of Junk Falling From Space

A 2 Meter Piece Of Junk Falling From Space

In a bit less than two days an orbiting object known with the peculiar name of WT1190F - but I'd like to rename it as WTF 1190 for obvious reasons - is expected to fall on Earth. The object was…
Phobos Is Slowly Falling Apart

Phobos Is Slowly Falling Apart

The long, shallow grooves lining the surface of Phobos are likely early signs of the structural failure that will ultimately destroy this moon of Mars. Orbiting a mere 3,700 miles (6,000 kilometers)…
A Simpler Way To Define What Makes A Planet

A Simpler Way To Define What Makes A Planet

In 2006, a tiny percentage of astronomers took it upon themselves to change the definition of "planet" and so Pluto was out. Chaos ruled, the 237 astronomers who made the ruling dug in their heels,…
Pluto - When Is A Dwarf Planet Not A Planet?

Pluto - When Is A Dwarf Planet Not A Planet?

Let's declare Pluto as a dwarf or sub dwarf planet AND a planet! This is about the vexed question of whether Pluto is a planet or not. Yes the International Astronomical Union "settled the…