Dwarf planet

The World

After a long, cold journey, NASA’s New Horizons probe has Pluto in its sights

Science

Talk about a long, strange trip. A NASA spacecraft called New Horizons has traveled 3 billion miles through space over the last nine years and now is approaching Pluto. Aboard: Ashes of the astronomer who discovered the distant orb in 1930.

Sedna artist rendering

The discovery of a new ‘dwarf planet’ expands our view of the solar system

Environment
Sedna artist rendering

The discovery of a new ‘dwarf planet’ expands our view of the solar system

Environment
The World

New Study Says Plants on Distant Planets May Be Black

Environment

The Pluto Files

The World

NASA telescope looks at gamma-ray mysteries, A

Environment

We talk with Neil deGrasse Tyson, director of the Hayden Planetarium and host of Nova ScienceNOW about space news this week.