For years, astronomers have been picking up strange bursts of energy from the cosmos — signals that last just milliseconds yet carry more power than the Sun releases in days. These puzzling flashes, known as fast radio bursts (FRBs), have become one of the greatest unsolved mysteries in astronomy.
What exactly are FRBs?
Fast radio bursts are ultra-bright pulses of radio waves that appear suddenly and then vanish. Some flare only once, while others repeat at irregular intervals.
The first FRB was detected in 2007 in archived telescope data from Australia. Since then, thousands more have been observed, but their origins remain elusive.
“It’s like someone is flicking a cosmic light switch on and off,” said Duncan Lorimer, the astrophysicist who first described the phenomenon. “But we don’t know who — or what — is behind it.”
Why are they so baffling?
Each FRB unleashes as much energy in a fraction of a second as 500 million Suns. “The sheer intensity is staggering,” noted Harvard astronomer Avi Loeb. “Whatever produces them must be among the most powerful engines in the universe.”
Pinpointing the origins is difficult. Some FRBs come from billions of light-years away, scattered across the universe. Theories include magnetars (super-magnetic neutron stars), collapsing stars, black holes colliding, and in the more speculative camp, even advanced alien technology.
While most bursts are one-offs, some repeat with odd rhythms. One discovered in 2020 emitted bursts every 16 days. “It’s like hearing a drumbeat from space,” said Kenzie Nimmo, an FRB researcher. “But the drummer is invisible.”
On their way to Earth, FRBs travel through cosmic gas, plasma and magnetic fields that bend and smear the signals. By the time they arrive, they’re so warped that tracing them back to their precise birthplace is almost impossible.
What do scientists know so far?
Why it matters
Solving the FRB mystery could open a new window into the universe. They could reveal the secrets of dark matter, measure how fast the universe is expanding, or uncover unknown forms of physics.
“Every time we think we’ve got it figured out, the universe throws us a curveball,” said Shami Chatterjee of Cornell University. “That’s what makes FRBs so exciting, they constantly defy expectations.”
The bottom line
Fast radio bursts are not proof of alien life, but they’re not fully explained by current science either. They sit in the tantalising gap between known physics and the unknown.
Whether they’re the work of collapsing stars, hyper-magnetised neutron stars, or something humanity has yet to imagine, FRBs remind us that the universe is still full of mysteries, and that sometimes, the cosmos whispers in bursts of static across the stars.
North Korean leader Kim Jong Un has reaffirmed his country's close ties with Russia, sending a congratulatory message to President Vladimir Putin on R...
France is on track to run a larger-than-expected pension deficit from 2045 as falling birth rates and an ageing population put increasing pressure on ...
Russia has once again offered warm words to Tbilisi, with Foreign Ministry spokeswoman Maria Zakharova praising Georgia's efforts to safeguard its sov...
While France hosts next week’s Group of Seven summit, businesses in neighbouring Switzerland have already begun taking precautions, with many shops ...
Fuel stations across the Russian-occupied Crimean Peninsula ran dry on Thursday as Ukraine stepped up attacks on supply routes to the region....
North Korean leader Kim Jong Un has reaffirmed his country's close ties with Russia, sending a congratulatory message to President Vladimir Putin on Russia’s National Day and expressing full support for Moscow’s domestic and foreign policies, according to state broadcaster KCNA.
France is on track to run a larger-than-expected pension deficit from 2045 as falling birth rates and an ageing population put increasing pressure on the country's retirement system, according to the body that monitors its sustainability.
Russia has once again offered warm words to Tbilisi, with Foreign Ministry spokeswoman Maria Zakharova praising Georgia's efforts to safeguard its sovereignty and saying Moscow is ready to deepen ties.
While France hosts next week’s Group of Seven summit, businesses in neighbouring Switzerland have already begun taking precautions, with many shops in Geneva boarded up ahead of a large anti-G7 demonstration expected on Sunday.
Mexico and South Africa meet in Thursday’s World Cup opener in Mexico City, with both teams approaching the match from very different positions but facing their own pressures.
The Pakistani city of Karachi is struggling under severe heat and humidity as the country enters a prolonged heatwave period. The Pakistan Meteorological Department (PMD) has warned of above-normal temperatures across much of the country between 7 and 12 June.
Ukraine's military said it struck a Russian "shadow fleet" tanker in the Black Sea as part of ongoing efforts to disrupt Moscow's energy and logistics networks. The move underscores Kyiv's focus on targeting maritime assets it says are used to bypass sanctions on Russian oil exports.
U.S. forces say they have completed strikes on Iranian military sites near the Strait of Hormuz. Iran responded with missile attacks on an American base in Jordan, marking a sharp escalation in tensions between the two sides.
Mexico City has been hit by major disruption eight days before it hosts the opening match of the 2026 FIFA World Cup, as teachers, retired judges and other groups staged mass protests.
An adviser to the European Union’s top court said on Thursday that the European Commission’s appeal against a 2024 ruling, which required disclosure of information on COVID-19 vaccine contracts, should be dismissed.
Migrants in the U.S. who were prevented from being sent back to their home country due to the risk of persecution are set to be deported to the war-torn Central African Republic.
Finance ministers across East Africa unveiled their 2026/27 budgets on Thursday, as investors assessed how governments plan to protect their economies from shocks linked to the ongoing Iran war while managing rising debt levels.
More than a third of Belgium’s population now has a foreign background, according to new figures released by the national statistics office, Statbel. The data show that around 4.34 million of the country’s nearly 11.7 million residents do not have an entirely Belgian background.
SpaceX has made history with the largest initial public offering ever in the United States, pricing its shares at $135 each and achieving a market valuation of $1.77 trillion.
You can download the AnewZ application from Play Store and the App Store.
What is your opinion on this topic?
Leave the first comment