What, Exactly, Is a Planet?

Near­ly 2,500 astronomers from 75 coun­tries gath­ered here Mon­day to come up with a uni­ver­sal def­i­n­i­tion of what qual­i­fies as a plan­et and pos­si­bly decide whether Plu­to should keep its plan­et status.

Near­ly 2,500 astronomers from 75 coun­tries gath­ered here Mon­day to come up with a uni­ver­sal def­i­n­i­tion of what qual­i­fies as a plan­et and pos­si­bly decide whether Plu­to should keep its plan­et status.

Baby Star Found Near Galaxy’s Violent Center

The youngest star ever found near the Milky Way’s cen­tre is deep­en­ing a mys­tery over how stars could take shape in such a tur­bu­lent environment.

The youngest star ever found near the Milky Way’s cen­tre is deep­en­ing a mys­tery over how stars could take shape in such a tur­bu­lent environment.

Simple Skin Test May Spot Alzheimer’s Early

A sim­ple skin test that enables doc­tors to diag­nose the ear­ly signs of Alzheimer’s dis­ease could be avail­able with­in five years, researchers say.

The test could allow doc­tors to inter­vene ear­ly on and pre­vent major brain dam­age, they say.

A sim­ple skin test that enables doc­tors to diag­nose the ear­ly signs of Alzheimer’s dis­ease could be avail­able with­in five years, researchers say.

The test could allow doc­tors to inter­vene ear­ly on and pre­vent major brain dam­age, they say.

Alaska Oil Pipeline Faces Big Scrutiny After Small Spill

The Trans-Alas­ka Pipeline Sys­tem, which trans­ports crude oil from the largest reserve in the Unit­ed States to a nav­i­ga­ble port, is in trouble.

The Trans-Alas­ka Pipeline Sys­tem, which trans­ports crude oil from the largest reserve in the Unit­ed States to a nav­i­ga­ble port, is in trouble.

Snakes on Your Plane? Serpents Are Frequent Fliers Too

In the new hor­ror movie Snakes on a Plane, which slith­ers into the­aters this Fri­day, hun­dreds of dead­ly snakes are set loose inside an air­plane, where they pro­ceed to attack the passengers.

In the new hor­ror movie Snakes on a Plane, which slith­ers into the­aters this Fri­day, hun­dreds of dead­ly snakes are set loose inside an air­plane, where they pro­ceed to attack the passengers.

Wine’s Benefit Knows No Color

More than a decade ago, a land­mark study drove home a mes­sage that res­onat­ed with wine lovers every­where: Drink red wine in mod­er­a­tion to low­er your risk for a heart attack. Now, new results sug­gest that some white wines pro­tect the heart just as well, at least in rats.

More than a decade ago, a land­mark study drove home a mes­sage that res­onat­ed with wine lovers every­where: Drink red wine in mod­er­a­tion to low­er your risk for a heart attack. Now, new results sug­gest that some white wines pro­tect the heart just as well, at least in rats.

Web 2.0, meet Astroturf 2.0

A new report from the non-prof­it group Com­mon Cause details the ways that indus­try groups are set­ting up fake grass­roots orga­ni­za­tions (aka “astro­turf” orga­ni­za­tions) to join the fight against Net neu­tral­i­ty legislation.

A new report from the non-prof­it group Com­mon Cause details the ways that indus­try groups are set­ting up fake grass­roots orga­ni­za­tions (aka “astro­turf” orga­ni­za­tions) to join the fight against Net neu­tral­i­ty legislation.