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Space science

Sedna artist rendering

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

Environment

Meet Biden, a new dwarf planet named after the vice president that’s upsetting the apple cart that is our understanding of the solar system. It, along with a relatively nearby neighbor, Sedna, are challenging astronomers to rewrite definitions of how the solar system formed.

Sedna artist rendering

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

Environment

Space junk orbiting Earth endangers satellites, spacecraft

Environment

NASA’s ‘Chorus’ Recording, ‘Natural Radio’ and the Magnetosphere

Solar Storm Expected to Hit Earth Today

The World

Video: Solar Storm To Lash Earth Until Wednesday

Environment

Our Geo Quiz starts 93 million miles away: on the surface of the Sun. A solar eruption happened over the weekend. It’s an immense blast of plasma and radiation streaming out from the sun. The question is, what kind of storm are we talking about?

Why Space Junk Needs to be Taken Seriously

Environment

Report by the NRC suggests it’s time to take space junk seriously.

The World

Solar Blast Erupts From the Sun

Environment

The largest flare on the sun since December of 2006 has erupted, sending up a large cloud of charged magnetic particles, which appeared to cover almost half of the solar surface. Neil deGrasse Tyson, an astrophysicist, speaks with us.

The World

U.S. and Poland sign missile shield deal

Global Politics

The U.S. and Poland signed an agreement today to locate part of Washington’s missile defense system on Polish territory. Russia objects to it, and today said it would respond with more than diplomatic protests. The World’s Jason Margolis has the story.