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Dava Newman (pictured with Mike Massimino) at MIT wants to design a space suit for future Mars explorers that’s more Captain Kirk than Neil Armstrong. Today’s space suits are mini space-ships, cumbersome oxygen-filled balloons that provide life-saving air pressure, but which are notoriously difficult to move and work in.

NOVA scienceNOW: Can We Make It To Mars?

Airs Wednesday, January 19, 2011 at 8 p.m. on KPBS TV

Bill Reilly (left) and former Sen. Bob Graham, co-chairmen of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, announce the findings of the commission's final report Tuesday. The commission concluded that only "urgent reform" could prevent another environmental disaster like the blown-out Macondo well in the Gulf of Mexico.

In Oil Drilling Reform, A Call For Science And Safety

The group investigating the Gulf of Mexico oil spill called on the industry and government regulators to focus on science to help guide decisions. They also recommended increased scientific research in the Arctic Ocean, potentially the next frontier for offshore oil exploration.

What Causes Breast Cancer? These Families Want To Help Find Out

Many things raise the risk for cancer, including exposure to various toxins and radiation. But our knowledge about the range of chemicals and compounds that can trigger cancer is limited.

Face-to-face with Pope Francis: What do you say? Here, the pope arrives for his general audience at St. Peter's Square on Oct. 1, 2014, at the Vatican. He arrives in the U.S. on Tuesday.

So You're Going To Meet The Pope ... A Primer On The Pontiff

What do you wear? What do you do? And if you get more than a few moments to speak straight into the pontiff's ear, what do you say?

5 Big Ideas That Don't Work In Education

A famous researcher slams popular ideas in a controversial new paper.

U.N. representatives for Venezuela, including Foreign Minister Rafael Ramirez, right, celebrate after being elected to a two year term as a non-permanent member of the United Nations Security Council on Thursday.

Venezuela, A Diplomatic Rival For U.S., Wins Seat On U.N. Security Council

The last time Venezuela tried for a seat in 2006, the United States successfully lobbied against it. The U.S. expressed disappointment about Venezuela's inclusion.

Using Tor, or The Onion Router, enables users to hide their online activities. Advocates say the network protects the privacy of activists. But prosecutors say it's used extensively by criminals — and is making it harder for law enforcement to do its job.

Prosecutors Say Tools For Hiding Online Hinder Cybercrime Crackdowns

Advocates say tools that cloak online identities are needed to protect activists. Prosecutors say they hinder efforts to police all kinds of crime, from child pornography to illegal gun sales.

(From left to right) Neuroscientists Susana Martinez-Conde and Stephen Macknik and "NOVA scienceNOW" host Neil deGrasse Tyson observe Teller, the silent half of comedy magic duo Penn & Teller, as he performs his famous cups and ball trick.

NOVA scienceNOW: How Does The Brain Work?

Airs Wednesday, June 29, 2011 at 10 p.m. on KPBS TV

President Lyndon B. Johnson signs the ESEA in 1965 with Kate Deadrich Loney, his first schoolteacher.

Senators Try To Revise No Child Left Behind — A Few Years Behind

Tuesday, senators begin working out the details of a bipartisan update to the No Child Left Behind education law. The proposed revision would give states more control over school accountability.

This combination image made available by NASA on Thursday, March 6, 2014 shows a series of photos from the Hubble Space Telescope recording the disintegration of an asteroid from Oct. 29, 2013 to Jan. 14, 2014.

Hubble Telescope Captures Shattering Asteroid

Scientists say the asteroid began coming apart early last year. They theorize sunlight is slowing pulling the asteroid apart by increasing its rotation.

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