A megacomet has the largest nucleus ever measured, Neptune is cool in the summertime, and liquid mirror tech is tested on an all-private mission. These are some of the top images from Space.com.
The comet nucleus is the largest ever seen in the modern era, according to the Hubble Space Telescope. The comet is 50 times larger than the average comet core and is larger than the state of Rhode Island. Some of the comets in our solar system may be similar in size.
The Hubble telescope confirms that Bernardinelli-Berstein is the largest comet ever seen.
Neptune's average temperatures are much lower than expected. During the southern summer, the average global temperature is down by 14 degrees Fahrenheit. The blue gas planet has implications for better understanding the inner dynamics of the planet.
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Scientists don't know why Neptune is cooling down.
The Axiom-1 mission is testing out technology that could allow for even larger telescopes in the future. The fluidic telescope experiment uses liquid to build telescope lens after the material launches into space. If the small demonstration aboard the International Space Station works, it will be a step towards larger telescopes to collect more information about deep-space objects.
A private person will make a liquid telescope mirror in space.
NASA's Mars Reconnaissance Orbiter just pulled off another feat. The Perseverance Mars rover and Ingenuity helicopter were spotted by the long-running mission and are on their way to investigate an intriguing Martian delta. About 16 years ago, MRO delivered its first photos to Earth.
NASA photos show the Perseverance Mars rover and tiny Ingenuity helicopter.
Maxar Technology satellite photos show Russia moving to the east and south of Ukraine. The international condemnation of the siege spread to other parts of the country. More troops and military hardware are being deployed to the south and east of Russia.
Satellite photos show a Russian build up in eastern Ukraine.
A mystery spinning orb was spotted above Alaska last month and is now believed to be the debris of a Chinese rocket. The orb matches the flight path of a Chinese Long March 6 rocket that delivered two satellites into the sky, according to Jonathan McDowell, an astronomer at the Harvard Smithsonian Center for Astrophysics in Massachusetts.
The Chinese rocket photobombs the Aurora with a spinning orb of light.
The first British vertical orbital launch will be hosted by the SaxaVord spaceport later this year. The company plans to build a launch facility on the Shetland Islands in the north of Scotland. Negotiations are ongoing for access roads and other infrastructure.
The construction of a spaceport is set to begin on the UK's northernmost island.
The interior of Spaceship Neptune, which is intended to send well-heeled customers into the stratosphere beneath an enormous balloon, has been released by Space Perspective. There are options for couches, chairs and tables within view of the panoramic windows. You can look out in the bathroom.
Space Perspective has an inside look at the balloon-borne tourist capsule.
The launch of the Gaofen 3 satellite will allow China to better monitor ocean activity. According to Chinese state media, the satellite will produce 3.3-foot (1 meter) resolution radar images for marine disaster prevention and mitigation, marine environment monitoring, environmental protection and other activities.
China launches a new ocean radar satellite.
The magnetic field within the Milky Way shines in more detail than ever in new images. The new map shows that magnetic lines are random, which is contrary to previous research that suggested the Milky Way has more established magnetic properties.
There are a lot of bones inside the skeleton.
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