Alva Review-Courier -

MOJAVE, Calif. (AP) — Virgin Galactic's tourism spaceship climbed more than 50 miles high above California's Mojave Desert on Thursday, reaching for the first time what the company considers the boundary of space. The rocket ship hit an altitude of...

WASHINGTON (AP) — The head of the government agency that monitors climate change says that in nearly two years he has never discussed the issue with President Donald Trump. Acting National Oceanic and Atmospheric Administration chief Adm. Timothy...

BILLINGS, Mont. (AP) — Four states that say burning coal will hurt their residents as it makes climate change worse are trying to stop the Trump administration from selling vast reserves of the fuel that are beneath public lands. Attorneys for...

MOJAVE, Calif. (AP) — Richard Branson's Virgin Galactic is gearing up to finally send its tourism rocket ship to the edge of space. If successful, it would be a major step toward the long-delayed dream of commercial space tourism. The next test...

WASHINGTON (AP) — Investigators believe hackers working on behalf of China's main intelligence agency are responsible for a massive data breach involving the theft of personal information from as many as 500 million guests of the Marriott hotel...

At least a dozen people say they saw a bright fireball blazing across the night sky in New England. The American Meteor Society says it received reports from Connecticut, Maine, New Hampshire and New Brunswick. More might have seen it if not for the...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) As comets blaze across the night sky, they can bring wonder and excitement to those watching from Earth – or even a...

KATOWICE, Poland (AP) — The world needs to "do more and faster" to prevent global warming on a scale that would cause irreversible environmental damage and hit poor societies hard, the head of the U.N.'s top science panel on climate change said...

WASHINGTON (AP) — Scientists are seeing surprising melting in Earth's polar regions at times they don't expect, like winter, and in places they don't expect, like eastern Antarctica. New studies and reports issued this week at a major Earth...

CAPE CANAVERAL, Fla. (AP) — Spacewalking astronauts ripped through thick insulation on a capsule docked to the International Space Station on Tuesday, looking for clues to a mysterious drilled hole that leaked precious cabin air four months ago. Ru...

CAPE CANAVERAL, Fla. (AP) — NASA's new Mars lander has taken a selfie from above, using a camera on its long robotic arm. The InSight lander snapped a series of pictures that NASA turned into a stunning mosaic, released Tuesday. InSight landed on...

MILWAUKEE (AP) — A comet named after a Wisconsin astronomer will soon streak past Earth and be the brightest comet of the year. Comet 46P/Wirtanen will fly by Earth in the next week, The Milwaukee Journal Sentinel reported . It will be one of the...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) The Standard Model. What dull name for the most accurate scientific theory known to human beings. More than a...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) What is the place of a profit motive in the production of knowledge at public universities? The Trump...

TERRE HAUTE, Ind. (AP) — A concoction of celery, cake frosting, uncooked spaghetti noodles and assorted candies would be enough to make a person's stomach turn, but for some area students it was a winning recipe. And while some did more snacking...

REDDING, Calif. (AP) — A rare fire tornado that raged during this summer's deadly Carr Fire in Northern California was created by a combination of scorching weather, erratic winds and an ice-topped cloud that towered miles into the atmosphere,...

STOCKHOLM (AP) — The winners of this year's Nobel Prize for Medicine say they expect substantial advances toward treating cancer in the next several decades, although it is unlikely the disease could be eradicated. James Allison of the United State...

NEW YORK (AP) — More work by a prominent food researcher, including a study that took aim at the "Joy of Cooking," has been retracted because of problems with the data. The Annals of Internal Medicine retracted a study that said the book's recipes...

BEIJING (AP) — China launched a ground-breaking mission Saturday to land a spacecraft on the largely unexplored far side of the moon, demonstrating its growing ambitions as a space power to rival Russia, the European Union and the U.S. A Long March...

CAPE CANAVERAL, Fla. (AP) — NASA's new Mars lander has captured the first sounds of the "really unworldly" Martian wind. The Jet Propulsion Laboratory released audio clips of the alien wind Friday. The low-frequency rumblings were collected by the...

Internal Facebook documents released by a U.K. parliamentary committee offer the clearest evidence yet that the social network has used its enormous trove of user data as a competitive weapon, often in ways designed to keep its users in the dark....

WASHINGTON (AP) — After several years of little growth, global emissions of heat-trapping carbon dioxide experienced their largest jump in seven years, discouraging scientists. World carbon dioxide emissions are estimated to have risen 2.7 percent...

PALMEIRAS, Brazil (AP) — Roy Funch, an American botanist who has lived and worked in Brazil's hardscrabble northeast for decades, long looked at huge cone-shaped mounds of mud in the distance and wondered. What built them? How many were there? How...

CAPE CANAVERAL, Fla. (AP) — Christmas turkey rocketed toward the International Space Station on Wednesday, along with cranberry sauce, candied yams and the obligatory fruitcake. The SpaceX booster missed its landing zone on the ground after...

WASHINGTON (AP) — Thousands of emails were stolen from aides to the National Republican Congressional Committee during the 2018 midterm campaign, a major breach exposing vulnerabilities that have kept cybersecurity experts on edge since the 2016...