Before Earth and the other planets in our solar system existed, the sun may have been surrounded by giant rings of dust similar to Saturn's, according to a new study.
Parallax is the observed displacement of an object caused by the change of the observer's point of view. In astronomy, it is an irreplaceable tool for calculating distances of far away stars.
NASA's Imaging X-ray Polarimetry Explorer (IXPE) is set to begin spying on some of the universe's most dramatic objects — black holes and neutron stars.
Astronomers have found evidence of a black hole snacking on a star in data gathered back in the 1980s, according to new research.
Perseverance drilled and collected its sixth Red Planet rock sample on Dec. 29, but the car-sized rover has not yet been able to seal up the titanium tube containing the material.
China's Yutu 2 rover has reached the so-called "mystery hut" on the far side of the moon that attracted widespread attention last month — but don't get too excited.
Concentrations of greenhouse gases in Earth's atmosphere continued to rise in 2021 in spite of climate pledges and the economic slowdown brought about by the COVID-19 pandemic, satellite data reveal.
Stars might be born much faster than previously expected, a new study using China's radio super telescope revealed.
Giant cyclones around the poles of the solar system's largest planet are generated by the same forces that move water in Earth's oceans, a new study has found.
A precise launch and pinpoint mid-course corrections so far have the telescope ready with plenty of propellant.
The three-body problem, which has plagued science since the days of Isaac Newton, is closer to being solved, scientists say.
Hiding beneath the outer layers of some planets, there may be something spectacular: a constant rain of diamonds.
NASA's James Webb Space Telescope unfolded the second "wing" of its massive primary mirror today (Jan. 8), marking the end of its complex deployment.
A collision with a Mars-size planet 4.5 billion years ago may have left a permanent impact on our planet's deep mantle.
Astronomers view the brightest "Cow" supernova in X-ray observations and NASA's InSight Mars lander endures a dust storm. These are some of the top stories this week from Space.com.
A Black Brant IX sounding rocket topped with the DXL experiment launched from NASA's Wallops Flight Facility at midnight EST on Sunday (Jan. 9).
Are you worried about the sun suddenly blinking out? Never fear — our star still has billions of years left to shine.
Stretching thousands of light-years across the Milky Way, a newly discovered filament of hydrogen named Maggie is one of the biggest structures ever discovered in our galaxy.