Approximately every 80 years, a faint 10th magnitude star in the constellation of Corona Borealis dramatically increases its brightness. This star, T CrB, is known as a recurrent nova and last flared in 1946, peaking at magnitude 2.0, temporarily making it one of the 50 brightest stars in the night sky.
Space News & Blog Articles
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How NASA's Habitable Worlds Observatory will search exoplanets for signs of alien life
Planning is well underway for NASA’s Habitable Worlds Observatory, a telescope project that will hunt for telltale signs of life in the atmospheres of planets outside the solar system.
Grey Aliens
Grey aliens, often referred to simply as "Greys," are a popular theme in UFO and extraterrestrial lore. They are described as humanoid beings with distinctive features, and they have become a common element in various accounts of alien encounters and abduction stories. Here are some key characteristics and information associated with grey aliens:
Venus is now a beacon in the early morning sky. Here's how to see it
With each passing morning, Venus has been rising ever higher and has been getting a little brighter. The planet will reach its brightest in the morning sky on Sept. 19. Here's how to see it.
FAA closes investigation of SpaceX's Starship launch mishap
The U.S. Federal Aviation Administration has closed its investigation into the first flight of SpaceX's giant Starship vehicle, which ended with a bang this past April.
New 'Star Trek II: The Wrath of Khan' book goes behind the scenes of a true sci-fi classic (exclusive)
Check out an exclusive 'Star Trek' Day preview for Titan Books' newest release, "Star Trek II: The Wrath of Khan: The Making of the Classic Film."
Atlas 5 rocket returns to pad for spy satellite agency launch from Cape Canaveral
United Launch Alliance’s Atlas 5 rocket made its way back to the pad at Space Launch Complex 41 at Cape Canaveral Space Force Station on Thursday morning for a mission carrying national security mission payloads, collectively codenamed Silentbarker. The 45th Weather Squadron’s launch weather forecast shows conditions are 85 percent favorable for liftoff at 8:51 a.m. EDT (1251 UTC).
Should the Next Big Observatories Be Built on the Moon?
We have built telescopes in our backyards, and high upon remote mountains, and even launched telescopes into space. With each advancement in our technology, we have made amazing and surprising new discoveries about the Universe. So what should our next advance in observatories be? Based on a new paper on the arXiv, a good choice would be the lunar surface.
Virgin Galactic launches 3 of its original space tourist customers to the final frontier
Virgin Galactic launched three of its longest-standing ticketholders today (Sept. 8), sending them to suborbital space on the 'Galactic 03' mission.
Why Artemis 2 moon launch with astronauts is different from Artemis 1
NASA's mobile launcher for Artemis 2 is at the launch pad right now for testing. Space.com spoke with the agency to learn how the Space Launch System and related systems will get ready for the historic moon launch with astronauts in 2024.
How helicopters on Mars could find hidden magnetism in planet's crust
Originally designed for a simple technology demonstration, Ingenuity has far exceeded its initial one-month, five-flight mission.
EcoFlow DELTA 2 Max power station review
The huge 2048Wh capacity of the EcoFlow DELTA 2 Max power station will easily keep you powered up off-grid, but be prepared for a workout.
Astronauts just 3D-printed knee cartilage in space for the 1st time and it's as weird as it sounds
The first-ever knee cartilage in microgravity was made on the International Space Station. Redwire Corp. says the meniscus will assist with treating military personnel and aging seniors on Earth.
DART Had a Surprising Impact on its Target
After NASA’s DART mission slammed into asteroid Dimorphous in September 2022, scientists determined the impact caused tons of rock to be ejected from the small asteroid’s surface. But more importantly, DART’s impact altered Dimorphos’ orbital period, decreasing it by about 33 minutes.
NASA's Perseverance Mars rover wraps up MOXIE oxygen-making experiment
The Perseverance rover's MOXIE experiment produced a total of 122 grams of oxygen on Mars. At its most efficient, it generated 12 grams of the life-sustaining element every hour.
SpaceX's Starship rocket spotted from space ahead of key test flight (satellite photo)
Maxar Technologies' WorldView-1 satellite captured a great photo of SpaceX's Starship vehicle on the launch pad in South Texas ahead of its upcoming test flight.
Warp into Star Trek Day 2023 today with new animated 'very Short Treks'
Paramount rolls out new "Star Trek: very Short Treks" animated promos for "Star Trek" Day 2023.
This Week's Sky at a Glance, September 8 – 17
Comet Nishimura teases us shyly low on the dawn horizon, then low on the dusk horizon. The Milky Way arches high across the evening sky, and Saturn invites your telescope.
Follow the Fall 2023 Return of Comet 103P Hartley
Catch periodic cosmic interloper 103P Hartley while you can.
Mars Doesn’t Have as Many Minerals as Earth
Earth and Mars are very much alike, but also very different. Among other things, scientists find that Earth is much more mineral-rich than the Red Planet. It has 6,000 different minerals. By contrast, Mars has only 161. That’s a big difference. How could this have happened?
