The Viltrox AF 27mm f/ 1.2 Pro lens is extremely well made, like all lenses in Viltrox’s PRO and LAB series. It’s also compact and lightweight for a lens offering an f/1.2 maximum aperture.
New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the planet's dynamic climate history.
A trio of exoplanets may challenge what we know about planetary formation.
A powerful geomagnetic storm created a series of brilliant auroras recently for observers across North America.
Getting time on the James Webb Space Telescope (JWST) is the dream of many astronomers. The most powerful space telescope currently in our arsenal, the JWST has been in operation for almost four years at this point, after a long and tumultuous development time. Now, going into its fifth year of operation, the Space Telescope Science Institute (STScI), the organization that operates the science and mission operations centers for the JWST has received its highest number ever of submission for observational programs. Now a team of volunteer judges and the institute's scientists just have to pick which ones will actually get telescope time.
The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth.
Saturn's rings are turning as edge-on as we will see them for another 15 years. The planet awaits your scope high in the evening sky. Low in the dawn, the thin Moon approaches Venus.
Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet’s predicted location by a factor of 10, thanks to the innovative use of observation data from our ExoMars Trace Gas Orbiter (TGO) spacecraft orbiting Mars.
Image: This very high-resolution image captures the beautiful medieval core of the Czech capital, Prague.
A small but unique mission to Mars is taking an innovative path to reach the Red Planet in late 2027.
While the Universe may appear serene and inspiring at first glance, it is actually filled with particles traveling at nearly the speed of light that possess immense energy. These consist primarily of atomic nuclei and subatomic particles, such as protons, electrons, and neutrinos, which constantly bombard Earth. The origin of these particles remains one of the longest-standing mysteries in modern astrophysics. A leading theory is that they are created by extreme events, such as supernovae and tidal disruption events (TDEs), which occur when stars are ripped apart by black holes.
New Glenn lifts off from Launch Complex 36 at Cape Canaveral, carrying twin Mars probes for NASA. Image: Michael Cain/Spaceflight Now.
Blue Origin launched its second heavy-lift New Glenn rocket Thursday, putting two small NASA satellites onto a long, looping course to Mars to learn more about how the sun has slowly blown away the red planet’s once thick atmosphere.
This document provides a brief overview of major space agencies and organizations involved in space exploration, research, and development.
The case for habitability in Enceladus' warm, ice-capped ocean is growing. Ever since Cassini found evidence of hydrothermal activity in the moon's ocean, and detected life's building blocks in the plumes of material ejected from the ocean, scientists have worked to put this data into context.
Last time I wrote about new data that overturns the standard cosmological model. Before anyone starts dusting off their fringe cosmological models, we should note what this new study doesn't overturn. It doesn't say the Big Bang model is wrong, nor does it say that the Universe isn't expanding or that Hubble's redshift-distance relation needs to be thrown out. It really only says that our Hubble constant model is wrong. But we already knew that thanks to a little thing known as the Hubble tension. These new results could solve that mystery as well.
Iron rusts. On Earth, this common chemical reaction often signals the presence of something far more interesting than just corroding metal for example, living microorganisms that make their living by manipulating iron atoms. Now researchers argue these microbial rust makers could provide some of the most promising biosignatures for detecting life on Mars and the icy moons of the outer Solar System.
Astronomers using the Keck Observatory on Maunakea in Hawaii have captured the closest ever view of a protoplanetary disk, the swirling cloud of gas and dust where planets form from interstellar debris. Their target, a young star called HD 34282 located 400 light years away, offers a front row seat to planetary birth.
The European Space Agency has completed the Orion service module for NASA's Artemis 4 mission to the moon, which was saved from cancellation earlier this year by the U.S. Congress
You come for the king, you best not miss.
A United Launch Alliance Atlas 5 551 rocket stands at Space Launch Complex 41 ahead of launching Viasat’s ViaSat-3 Flight 2 satellite to a geosynchronous transfer orbit. Image: Adam Bernstein / Spaceflight Now
United Launch Alliance is preparing to launch an Atlas 5 rocket Thursday night, which will carry a communications satellite for California-based communications company, Viasat.
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