
James Webb Space Telescope Launch Delayed to Christmas Eve—or Later
A communications glitch between the observatory and its launch vehicle forced the delay, NASA officials say
Hanneke Weitering is an editor at Space.com

James Webb Space Telescope Launch Delayed to Christmas Eve—or Later
A communications glitch between the observatory and its launch vehicle forced the delay, NASA officials say

Blue Origin Launches William Shatner and Crew to the Final Frontier
The 90-year-old Star Trek actor is now the oldest person to fly in space

NASA Renames Next-Generation Telescope after Nancy Grace Roman
The pioneering astronomer and ‘mother of Hubble’ paved the way for revolutionary space observatories

Blue Origin Unveils “Blue Moon,” Its Big Lunar Lander
The spacecraft could ferry astronauts to the moon’s surface as early as 2024

Exotic Matter Made in Space Could Boost the Hunt for Gravitational Waves
Off-world Bose–Einstein condensates might measure spacetime ripples better than any ground-based technique

Small Air Leak Detected on International Space Station
Crew determines leak is in Russian segment of orbiting laboratory

This Ultrahot Exoplanet Has Metallic Skies
Astronomers have found iron and titanium in the atmosphere of the Jupiter-sized world KELT-9b, the hottest known exoplanet

U.S. to Launch Space Force in 2020, Pence Says
The Vice President provided more details on the Trump administration’s controversial plans to create a new space-focused military branch

How Theoretical Physicists Can Help Find Aliens
To be successful, scientists searching for extraterrestrial beings may need to revisit some fundamental assumptions about the nature of life itself

NASA Offers New Plan to Detect and Destroy Dangerous Asteroids
The federal government's five-point strategy is a roadmap for dealing with threatening near-Earth objects

Moon Had Ancient Atmosphere, Study Suggests
Volcanic eruptions could have created a temporary lunar atmosphere billions of years ago

Arecibo Observatory Closed by Hurricane Maria
The condition of the world’s second-largest radio telescope remains unclear after being battered by the storm

Still a Glaring Problem: How a Solar Eclipse Can Fry Your Eyes
From chemical changes to thermal burns, a rundown on exactly what staring at the sun can do

Big, Shiny Asteroid to Buzz Past Earth on April 19
Approach of the 2,000-foot space rock is closest for such a large object since 2004

50th Anniversary of Apollo 1 Fire: What NASA Learned from the Tragic Accident
January 27 marks the 50th anniversary of the first major, deadly disaster for the U.S. space program

John Glenn, First American in Orbit, Falls Ill in Ohio
The 95-year-old former astronaut and senator has been in hospital for more than a week

Weird Extragalactic X-Ray Flares Baffle Astronomers
A new class of stellar objects could be causing ultrabright repeating outbursts from old, quiescent galaxies

Barack Obama Declares U.S. on Track to Mars
In a new op-ed, the President of the United States reiterated his plan to send humans to Mars sometime in the 2030s.

A Bus-Size Asteroid Just Gave Earth a Close Shave
Scientists spotted the space rock two days before its flyby

NASA’s Juno Transmits First Close Look at Jupiter
The spacecraft's closest-ever swoop over Jupiter's clouds offers a new view of the giant planet's north pole

This Weird Galaxy Is 99.99 Percent Dark Matter
Astronomers say ultradiffuse or “fluffy” Dragonfly 44 shouldn’t be able to hold itself together with so few stars

Hibernating-Star Explosion Provides First Evidence of Nova Cycle
Evidence of additional mini outbursts leading up to the so-called classical nova provides the first direct evidence for the nova hibernation hypothesis, which suggests a cyclical evolution of such stars