On this day in space! Oct. 23, 2007: NASA launches Harmony module to ISS on STS-120 space shuttle mission
On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station. Here's why it mattered.
Skywatching
The 2027 total solar eclipse will plunge these 10 ancient Egyptian temples and monuments into darkness
The "eclipse of the century" will plunge some of ancient Egypt's most spectacular sites into darkness on Aug. 2, 2027. These temples, tombs and monuments are inside the path of totality.
"A great budget lens for astrophotography, the sharpness produced at f/1.8 and f/2.8 is exactly what you want." Viltrox AF 16mm f/1.8 FE lens review
Review The Viltrox AF 16mm f/1.8 FE is an impressive ultra-wide-angle prime lens offering great handling, build quality and image quality for an affordable price.
Spaceflight
On this day in space! Oct. 22, 1992: Ashes of 'Star Trek' creator Gene Roddenberry launch into space on NASA shuttle
On Oct. 22, 1992, the space shuttle Columbia launched into space with the ashes of Gene Roddenberry, the creator of "Star Trek." Here's why it mattered.
'Cabin leak suspected': Artemis II astronaut reveals how a warning nearly derailed NASA's epic moon mission
Victor Glover recalls how a suspected cabin leak warning came just 15 minutes before a crucial engine burn — and why receiving it just five minutes later could have changed everything.
Watch NASA's update on accelerating Artemis moon plans today
NASA will provide an update about its Artemis III mission and its plans to land astronauts on the moon during a press conference today (Oct. 23). Here's how to watch it live.
Science & Astronomy
What is the moon phase today? Lunar phases 2026
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
Australia's bizarre 'Spider Crater' seen from orbit | Space photo of the day for Oct. 22, 2026
A satellite image of "Spider Crater" in Western Australia.
Space Photo of the Day
Australia's bizarre 'Spider Crater' seen from orbit | Space photo of the day for Oct. 22, 2026
A satellite image of "Spider Crater" in Western Australia.
-
-
Northern lights - live updatesThe latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.
-
Rocket launch todayFollow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
-
Night sky for tonightFind out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
-
Live 4K video from space!Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.
-
On this day in space!NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.
-
ReferenceWhat is the moon phase today?See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
-
ReferenceSpace calendar 2025Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
-
Search For Life
Scientists discover 'chemical starter kit' for life in planetary birthplaces
The discovery of surprising molecules of methanol and associated maser activity has expanded the inventory of the chemical starter kit that builds planets in young star systems.
NASA chief Jared Isaacman wants to stay 'open-minded' about UFOs: 'If it's aliens, I think NASA should have a seat at the table'
NASA Administrator Jared Isaacman suggested sightings of unidentified anomalous phenomena might signal another 'Sputnik Moment' looming on the horizon for the United States.
Technology
SpaceX thrusters just made a Tesla Roadster 'fly' (and Elon Musk's car is still out there in space)
Tesla just unveiled its new Roadster with a spectacular stunt, using SpaceX thrusters to make the sleek vehicle "fly."
