Scientists are revolutionising the search for extraterrestrial life by challenging our somewhat Earth-centric assumptions about where and how life might exist in the universe. A new review argues that we must embrace the remarkable diversity of exoplanets discovered over the past two decades and consider a much broader range of environments that could potentially host life.
Space News & Blog Articles
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Tiny ‘primordial’ black holes created in the Big Bang may have rapidly grown to supermassive sizes
Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed in the first second after the Big Bang.
Northern lights and glowing noctilucent clouds collide in a rare night sky show over Alberta (photo)
The surprise display was captured on June 9 by aurora chaser Harlan Thomas.
Astronomers are Closing in on the Source of Galactic Cosmic Rays
In 1912, astronomer Victor Hess discovered strange, high-energy particles known as "cosmic rays." Since then, researchers have hunted for their birthplaces. Today, we know about some of the cosmic ray "launch pads", ranging from the Sun and supernova explosions to black holes and distant active galactic nuclei. What astronomers are now searching for are sources of cosmic rays within the Milky Way Galaxy.
Spaceflight Could Be Bad For Your Teeth
Extended periods in space can lead to all kinds of health problems. The hazard posed by radiation is well known and is the reason NASA and other space agencies impose limits on the amount astronauts are exposed to. There's also microgravity, which has been studied extensively thanks to regular missions to the International Space Station and long-term studies (like the NASA Twins Study). According to this research, extended periods in microgravity will result in muscle atrophy, bone density loss, changes in eyesight, effects on the cardiovascular and endocrine systems, and even genetic changes.
Have Stellar Flybys Altered Earth's Climate in the Past?
If our Solar System seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, the Moon moves through light and shadow, and the Sun hangs in the sky. But in reality, everything is moving and influencing everything else, and the fine balance we observe can easily be disrupted. Could passing stars have disrupted Earth's orbit and ushered in dramatic climatic changes in our planet's past?
Nat Geo documentary 'SALLY,' about the 1st US woman in space, now streaming on Disney+ & Hulu
You can now watch the award-winning documentary "SALLY" about the first American woman in space, Sally Ride, on Disney+ and Hulu.
China's next-gen astronaut capsule for moon missions aces crucial pad-abort test (video)
China's human spaceflight agency just conducted a crucial pad abort test for its Mengzhou spacecraft as it continues toward its goal of putting boots on the moon before 2030.
'Star Trek: Strange New Worlds' season five will be the show's final frontier on Paramount+
Paramount announced that the show's five-season mission is coming to an end last week with a heartfelt 'thank you' from the showrunners.
Mysterious radio pulses detected high above Antarctica may be evidence of an exotic new particle, scientists say
A mystery signal detected high in the sky above Antarctica defies current models of physics and could represent a new particle, scientists say.
ESA at Le Bourget 2025 - Day Two Highlights
The beginning of the industrial development of LISA was among the highlights for the European Space Agency on the second day of the International Paris Air Show.
How do baby planets grow? Study of 30 stellar nurseries sheds new light
Astronomers have used the ALMA radio telescope to investigate how planets grow in protoplanetary disks of gas and dust around young stars.
Watch the stunning Mars and Regulus conjunction today with this free livestream
Watch the stunning Mars and Regulus conjunction today with this free livestream
Roman Space Telescope will use a century-old idea from Einstein to probe the nature of mysterious dark matter
Get ready for a new Roman Empire: A NASA space telescope will detect a staggering wealth of intricate gravitational lenses that could help unlock the mysteries of dark matter.
Giant telescope mirror gets a cleaning | Space photo of the day for June 17, 2025
Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them.
Huge galaxy cluster is wrapped in a cocoon 20 million light-years wide, NASA space telescope finds
Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million light-year-wide envelope of charged particles.
50 years later, Apollo 17’s moon samples are still revealing secrets about lunar volcanoes
The beads are over 3.3 billion years old, and date from the formation of the "Man in the Moon."
SpaceX launch from California sends 26 Starlink satellites into low Earth orbit
A SpaceX Falcon 9 rocket placed 26 Starlink internet broadband satellites into low Earth orbit, lifting off from Vandenberg Space Force Base in California on June 16, 2025.
SpaceX launches 26 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 East at Vandenberg Space Force Base shortly after sunset on June 16, 2025, to begin the Starlink 15-9 mission. Image: SpaceX
Update June 17, 1:35 a.m. EDT: SpaceX confirmed deployment of the Starlink satellites.
The Mother of All Meteor Showers Could Threaten Satellites
Shortly after astronomers detected asteroid 2024 YR4 on December 27, 2024, they realized it posed no threat to Earth. But it still might impact the Moon in 2032. The impact debris could threaten satellites and trigger an extraordinarily stunning meteor shower.
SpaceX, NASA target June 19 for launch of private Ax-4 astronauts after ISS leak repairs
Leaks aboard the International Space Station, as well as on SpaceX's Falcon 9 rocket, delayed Axiom's next private astronaut mission, but the crew now has a target launch date of June 19.
