Two space station astronauts tackle challenging spacewalk

Spacewalkers worked to replace massive batteries in International Space Station's solar power system

• Mar 22, 2019

NASA's first spacewalk of 2019

NASA's first spacewalk of the year got underway Friday as two astronauts ventured out to upgrade a crucial power system on the International Space Station. CBS News space analyst Bill Harwood joins CBSN to explain the significance of today's spacewalk and he previews next week's historic, all-female spacewalk.

• Mar 22, 2019
• 7:03

What to know about the spring equinox

Spring will be sprung at precisely 5:58 p.m. EDT on March 20 — here's why

• Mar 20, 2019

Visiting spacecraft finds surprises at asteroid

Rockier-than-expected surface may make sample collection a challenge.

• Mar 19, 2019

Soyuz rocket boosts U.S.-Russian crew to space station

The flight came five months after two of the crew members went through a harrowing launch abort

• Mar 14, 2019

Soyuz crew to try again after frightening launch abort

Two NASA astronauts and a Russian cosmonaut commander set for launch to International Space Station Thursday

• Mar 13, 2019

NASA says first person on Mars "likely" a woman

The future of space exploration will include more women than ever before, according to NASA administrator Jim Bridenstine

• Mar 12, 2019

NASA's $21B budget request to fund moon, Mars missions

Trump administration budget request maintains NASA's focus on increased commercialization and deep space exploration

• Mar 11, 2019

SpaceX crew ship returns to Earth after historic flight

The unpiloted test of the SpaceX Crew Dragon helps clear the way for launch of two astronauts this summer

• Mar 8, 2019

How 10 years of applying to be an astronaut prepared Peggy Whitson to make history

Whitson spent 665 days in space – more time than any other American

• Mar 6, 2019

SpaceX mission paves way for crew launch

SpaceX's Crew Dragon capsule successfully docked at the International Space Station Sunday. It's a big step towards NASA sending U.S. astronauts back to orbit for the first time since 2011. But there are still some hurdles in the way. CBS News space consultant Bill Harwood joined CBSN to break down the challenges ahead.

• Mar 4, 2019
• 6:44

SpaceX rocket successfully launches test flight

A SpaceX rocket successfully launched on a test flight that is now streaking toward the International Space Station. It's a trial run of a commercially developed crew capsule. Mark Strassmann reports.

• Mar 2, 2019
• 2:39

SpaceX craft pulls off flawless docking with space station

SpaceX moves a step closer to launching astronauts on its Crew Dragon spacecraft

• Mar 3, 2019

SpaceX launches historic test flight

SpaceX successfully launched the first commercially-developed capsule capable of carrying humans into space. The unmanned vessel is expected to reach the International Space Station on Sunday morning. CBS News space consultant Bill Harwood joins CBSN to discuss.

• Mar 2, 2019
• 0:38

SpaceX launching NASA test flight

America's space program is counting down to an overnight launch in Florida. It's a test flight for a privately developed spacecraft that will get the U.S. back in the business of launching astronauts. Mark Strassmann reports.

• Mar 1, 2019
• 2:07

SpaceX set to launch crucial NASA test flight

The last time NASA astronauts flew to the International Space Station on an American spacecraft was nearly eight years ago. Since then, NASA has relied on Russia for rides. That could soon change. On Saturday morning, SpaceX will launch its new spaceship on a critical test flight, marking the first time a commercially built and operated spaceship, capable one day of carrying people, will travel to the space station. Mark Strassmann reports.

• Mar 1, 2019
• 4:31

SpaceX is about to launch a critical test flight for NASA

If Saturday's test flight is successful, it will mean the U.S. no longer has to rely on Russia to get to the International Space Station

• Mar 1, 2019

NASA, SpaceX set for critical test flight

Test flight intended to clear the way for summer resumption of piloted space missions from U.S. soil

• Feb 22, 2019

"Snow moon" 2019 will be this year's brightest "supermoon"

All 3 of this year's supermoons fall between January and March; here's how to get the best views of this one

• Feb 19, 2019

Mark Kelly could join a small club of congressmen who have gone to space

The retired astronaut announced he is running for the Arizona Senate seat once held by John McCain

• Feb 16, 2019

NASA bids farewell to Mars rover

Months after losing contact with the Opportunity Mars rover, NASA officials brought its mission to an end. But Opportunity lived up to its name. Tony Dokoupil reports.

• Feb 13, 2019
• 1:27

End of the line for NASA's Mars rover

NASA has declared the mission of the Mars rover Opportunity officially complete, 15 years after its launch. The solar-powered vehicle hasn't been hear from since June, when a dust storm swept across the red planet. CBS News' Tom Hanson reports.

• Feb 13, 2019
• 1:10

Rover bites the dust on Mars, ending 15-year mission

NASA officially terminates the Mars Opportunity mission eight months after losing contact with the rover

• Feb 13, 2019

2018 was 4th hottest year on record

Data from NASA and NOAA indicate 2018 was the fourth hottest year on record, and the last five years were five hottest years on record. CBS News contributing meteorologist Jeff Berardelli joins CBSN's Tanya Rivero to discuss the data.

• Feb 6, 2019
• 7:57

Earth could be headed for warmest period on record

The next five years could be even hotter than 2018, which was already near record territory

• Feb 6, 2019

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