Deciding what is and isn’t a planet is a problem on which the International Astronomical Union has generated a large amount of hot air. The challenge is to find a way of defining a planet that does ...

As our telescopes grow more powerful, astronomers are uncovering objects that defy conventional wisdom. The latest example is the discovery of a planet-like object circling a brown dwarf. It’s the ...

Pluto's years-long identity crisis just got more complex on Wednesday. The International Astronomical Union has decided on the term "plutoid" as a name for Pluto and other objects that just two years ...

A FARAWAY rock nicknamed DeeDee could be big enough to be a dwarf planet. Astronomers define dwarf planets as worlds that are massive enough for their gravity to make them spherical, but not big ...

Pluto may be demoted again, as researchers work to properly define dwarf planets. PLUTO’S STATUS MAY TAKE a further hit, say Australian astronomers, if around 50 neighbouring space objects join the ...

Some NASA scientists have joined together to propose a new definition for a planet that would let Pluto back into the fold. It's been more than a decade since Pluto got demoted from planet to dwarf ...

Pluto's years-long identity crisis just got more complex today. The International Astronomical Union has decided on the term "plutoid" as a name for Pluto and other objects that just two years ago ...

This is a preview. Log in through your library . Abstract Premise of research. Recently diverged taxa may not exhibit strong morphological or DNA sequence differences, making evaluating species ...